Acessibilidade / Reportar erro

Características clinicopatológicas e invasão perineural do carcinoma adenoide cístico

Resumos

INTRODUÇÃO:

O carcinoma adenoide cístico (CAC) é o tumor maligno mais frequente da glândula Submandibular e das glândulas salivares menores. Sendo uma neoplasia maligna, apesar de ter crescimento lento, apresenta um prognóstico desfavorável.

Objetivos:

O objetivo deste trabalho foi realizar uma revisão sistemática de literatura sobreo carcinoma adenóide cístico na região de cabeça e pescoço e suas características clínico-patológicas com ênfase na capacidade de infiltração perineural do tumor.

MÉTODO:

Uma busca sistemática de artigos publicados entre janeiro de 2000 a janeiro de 2014 foi executada nas bases de dados PubMed/MEDLINE, SciELO, Science Direct e Scopus.

RESULTADOS:

Nove artigos foram selecionados para realização da revisão sistemática. Nestes, o sexo feminino foi o mais afetado e o tumor maligno apresentou uma alta taxa de metástase a distância, recidiva e baixa taxa de sobrevida. A presença de invasão perineural variou entre 29,4% a 62,5% e foi relacionada à recidiva local do tumor.

CONCLUSÃO:

O CAC é comumente caracterizado pela presença de dor, alta taxa de recidiva, metástase e baixa sobrevida. A realização de estudos com acompanhamento dos pacientes é de extrema importância para uma melhor avaliação clinico-patológica visando melhorar o prognóstico da doença.

Neoplasias das glândulas salivares; Glândulas salivares; Neoplasias bucais


INTRODUCTION:

Adenoid cystic carcinoma is the most frequent malignant tumor of the submandibular gland and the minor salivary glands. It is a malignant neoplasm that, despite its slow growth, shows an unfavorable prognosis.

OBJECTIVES:

The aim of this study was to perform a systematic review of the literature on Adenoid cystic carcinoma in the head and neck region and its clinicopathological characteristics, with emphasis on the perineural invasion capacity of the tumor.

METHODS:

A systematic search of articles published between January 2000 and January 2014 was performed in the PubMed/MEDLINE, SciELO, Science Direct, and Scopus databases.

RESULTS:

Nine articles were selected for this systematic review. These demonstrated that the female gender was more often affected and that malignant tumors showed a high rate of distant metastasis, recurrence, and a low survival rate. The presence of perineural invasion ranged from 29.4% to 62.5% and was associated with local tumor recurrence.

CONCLUSION:

Adenoid cystic carcinoma is commonly characterized by the presence of pain, high rate of recurrence, metastasis, and a low survival rate. Reporting studies with patient follow-up is of utmost importance for a better clinical-pathological understanding and to improve the prognosis of this pathology.

Salivary gland neoplasms; Salivary glands; Mouth neoplasms


Introdução

As neoplasias malignas de glândulas salivares são incomuns e perfazem apenas cerca de 2-6,5% dos tumores da região da cabeça e pescoço.1Santos GC, Martins MR, Pellacani LB, Vieira ACT, Nascimento LA, Abrahão M. Neoplasias de glândulas salivares: estudo de 119 casos. J Bras Patol Med Lab. 2003;39:371-5. A frequência de acometimento dos diferentes tipos de tumores malignos variam de acordo com o local de origem. Por outro lado constata-se que o Carcinoma Adenoide Cístico é o tumor maligno mais frequente das glândula salivares submandibular e salivares menores.2Wang D, Li Y, He H, Liu L, Wu L, He Z. Intraoral minor salivary gland tumors in a Chinese population: a retrospective study on 737 cases. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;104:94-100.

O carcinoma adenoide cístico (CAC) é uma neoplasia maligna que, apesar de ter crescimento lento, apresenta prognóstico desfavorável pela agressividade da invasão tumoral e seu elevado potencial de recidiva.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. Essa neoplasia foi descrita pela primeira vez por Billroth em 1856.4Kokemueller H, Eckardt A, Brachvogel P, Hausamen JE. Adenoid cystic carcinoma of the head and neck - a 20 years experience. Int J Oral Maxillofac Surg. 2004;33:25-31.

Pode desenvolver-se numa variedade de sítios anatômicos, como as glândulas salivares maiores e menores, glândulas lacrimais e glândulas do trato aéreo digestivo superior.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40. Na região bucomaxilofacial é responsável por aproximadamente 22% das neoplasias de glândulas salivares maiores e menores, sendo o principal sítio de acometimento as glândulas salivares menores do palato duro.2Wang D, Li Y, He H, Liu L, Wu L, He Z. Intraoral minor salivary gland tumors in a Chinese population: a retrospective study on 737 cases. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;104:94-100.

O CAC é mais prevalente em adultos de meia idade, e de acordo com diversos estudos é mais frequente no gênero feminino.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40. , 6Ellis GL, Auclair PL. Atlas of tumor pathology tumors of the salivary glands. 3rd ed. AFIP; 1996. p. 155-373. Metástase à distância é comum, sendo o pulmão o sítio mais comumente afetado.7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9.

Pode apresentar clinicamente como um nódulo de consistência endurecida, sendo a dor um achado importante e comum no curso inicial da doença. As lesões ulceradas podem ser visualizadas na região do palato, exibindo radiograficamente destruição óssea.8Santos MESM, Ibrahim D, Silva Neto JC, Silva UH, Sobral APV. Adenoid cystic carcinoma: a case report. Rev Cir Traumatol Buco-Maxilo-Fac. 2006;5:49-54.

Histopatologicamente, o CAC pode expressar-se de forma variável, sendo reconhecidos três padrões principais.9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. O padrão cribriforme e o tubular, que apresentam uma menor agressividade e o padrão sólido onde podemos observar pleomorfismo celular e atividade mitótica, bem como focos de necrose nos centros das ilhas das células neoplásicas.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40. , 6Ellis GL, Auclair PL. Atlas of tumor pathology tumors of the salivary glands. 3rd ed. AFIP; 1996. p. 155-373.

A invasão perineural é um achado histológico comum, sendo considerada uma possível via de disseminação das células tumorais.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40. O envolvimento perineural acontece entre 22%-46% dos casos de CAC, sendo este em nível macro ou microscópico.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40.

A cirurgia é o primeiro tratamento do carcinoma adenoide cístico e pode ser seguida de radioterapia e, em raros casos, quimioterapia. A frequência de recidiva local do carcinoma adenoide cístico é comum, demandando novas ressecções cirúrgicas. Diversos estudos avaliam o prognóstico como negativo, com o tumor levando o paciente a óbito.9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

O cirurgião-dentista tem como dever estar atento a qualquer alteração na mucosa bucal de seus pacientes. Quando o diagnóstico do carcinoma adenoide cístico é realizado precocemente, o paciente pode ter melhor qualidade de vida e alta taxa de sobrevida. O objetivo deste trabalho foi realizar uma revisão sistemática de literatura sobre o carcinoma adenoide cístico na região de cabeça e pescoço e suas características clínico-patológicas com ênfase na capacidade de infiltração perineural do tumor.

Método

Uma busca sistemática de artigos publicados entre janeiro de 2000 a janeiro de 2014 foi executada nas bases de dados PubMed/MedLine, Scielo, Science Direct e Scopus. Foram pesquisados estudos que avaliaram o carcinoma adenoide cístico na região de cabeça e pescoço e sua capacidade de infiltração perineural.

Nas buscas foram utilizados os seguintes termos: carcinoma adenoide cístico; neoplasia maligna; glândula salivar, invasão perineural, assim como seus sinônimos e correspondentes na língua inglesa e espanhola, em combinações variadas. Foi utilizado nas bases de dados possíveis os operadores booleanos AND, OR, NOT. Após a obtenção dos resumos, três avaliadores independentes selecionaram os trabalhos pertinentes de acordo com os critérios de inclusão e exclusão.

Foram considerados critérios de inclusão: trabalhos publicados em língua inglesa, portuguesa ou espanhola; estudos transversais ou longitudinais cujo objetivo foi avaliar o carcinoma adenoide cístico na região da cabeça e pescoço e sua capacidade de infiltração perineural; artigos publicados a partir de janeiro de 2000. Entre os critérios de exclusão encontram se: trabalhos de revisão, população fora dos padrões da pesquisa, casos clínicos, artigos publicados anteriormente ao ano 2000 ou em linguagem diferente das selecionadas para compor a revisão sistemática.

Uma primeira etapa de seleção dos trabalhos foi feita a partir da análise dos títulos e resumos. Posteriormente, todos os estudos cujos títulos ou resumos foram julgados pertinentes ao tema em estudo foram obtidos na íntegra e analisados por completo, enfim os artigos analisados e selecionados pelos avaliadores após reunião de consenso foram incluídos na sistematização dos dados.

Resultados

Entre os estudos selecionados primariamente, 29 demonstraram potencial para participar da revisão sistemática, entretanto, após análise completa dos estudos e discussão entre os avaliadores, foi de comum acordo que apenas nove artigos preencheram todos os critérios de inclusão.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. Entre os estudos selecionados, três foram realizados em países em desenvolvimento9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. , 1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. , 1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. e seis em países desenvolvidos.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8. , 1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. , 1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. , 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. A metodologia e resultados dos artigos estão disponíveis nas tabelas 1 e 2.

Tabela 1
Resultados obtidos pelos estudos selecionados

Tabela 2
Características do tumor e invasão perineural

Em relação ao perfil dos estudos, a amostra dos participantes oscilou entre 21 1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. e 616 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. pacientes, sendo o tamanho da amostra total de 1.185 pacientes com idade média superior aos 50 anos. Os estudos selecionados foram publicados entre os anos de 2001 a 2013. Entre os estudos selecionados, todos eram do tipo retrospectivo. Os objetivos dos estudos selecionados foram: realizar uma análise das características clínicas e patológicos do carcinoma adenoide cístico, analisando variáveis como sexo,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. idade,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. metástase,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. recidiva,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. capacidade de invasão perineural,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. taxas de sobrevivência3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. e tratamento.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7.

Dentre os estudos selecionados por tal revisão sistemática, sete demonstraram diferença entre o acometimento dos gêneros, sendo o sexo feminino mais suscetível ao surgimento do carcinoma adenoide cístico.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.
- 1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. , 1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. , 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. Apenas dois estudos apresentaram um maior número de casos de homens acometidos.7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

O palato foi o local de maior acometimento na maioria dos estudos selecionados,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.
- 1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. chegando a 71,6% dos casos no estudo de Bianchi et al.1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. No estudo de Khan et al.,1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. o local de maior acometimento foi a orofaringe, seguido da glândula parótida e submandibular. Entre os estudos selecionados, todos avaliaram a presença de metástase entre os pacientes analisados (tabela 1).

A presença de invasão perineural foi uma constante nos estudos selecionados. Na análise retrospectiva de Min et al.,9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. 328 pacientes apresentaram invasão perineural, sendo 40 com metástase proximal positiva e 288 negativa. Quinze casos foram registrados nos estudos de DeAngelis et al.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. e 13 casos no estudo de Luksié et al.1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8. Tincani et al.1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. relatou 9 casos de invasão perineural, já na análise de Bianchi et al.,1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. foram 39 casos. No estudo retrospectivo de Perez et al.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. foram relatados a presença de 58 casos, Chen et al.7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. relataram 82 casos. Khan et al.1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. menciona a presença de 20 casos de invasão perineural e Sung et al.1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. de 29 pacientes, 12 com metástase a distância positiva e 17 negativa. No estudo realizado por Lukisi et al.1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8. não houve associação significativa entre a presença de invasão perineural e o tamanho do tumor primário, presença de metástase proximais ou a distância ou invasão das margens, entretanto, foi associado a extensão local do tumor.

Entre os tratamentos mencionados, os mais frequentes foram excisão cirúrgica1Santos GC, Martins MR, Pellacani LB, Vieira ACT, Nascimento LA, Abrahão M. Neoplasias de glândulas salivares: estudo de 119 casos. J Bras Patol Med Lab. 2003;39:371-5.

Wang D, Li Y, He H, Liu L, Wu L, He Z. Intraoral minor salivary gland tumors in a Chinese population: a retrospective study on 737 cases. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;104:94-100.

DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4.

Kokemueller H, Eckardt A, Brachvogel P, Hausamen JE. Adenoid cystic carcinoma of the head and neck - a 20 years experience. Int J Oral Maxillofac Surg. 2004;33:25-31.

Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40.

Ellis GL, Auclair PL. Atlas of tumor pathology tumors of the salivary glands. 3rd ed. AFIP; 1996. p. 155-373.

Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9.

Santos MESM, Ibrahim D, Silva Neto JC, Silva UH, Sobral APV. Adenoid cystic carcinoma: a case report. Rev Cir Traumatol Buco-Maxilo-Fac. 2006;5:49-54.

Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.

15 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7.

16 Triantafillidou K, Dimitrakopoulos J, Iordanidis F, Koufogiannis D. Management of adenoid cystic carcinoma of minor salivary glands. J Oral Maxillofac Surg. 2006;64:1114-20.

17 Spiro RH. Distant metastasis in adenoid cystic carcinoma of sali- vary origin. Am J Surg. 1997;174:495-8.

18 Ko YH, Lee MA, Hong YS, Lee KS, Jung C, Kim YS, et al. Pro- gnostic factors affecting the clinical outcome of adenoid cystic carcinoma of the head and neck. Jpn J Clin Oncol. 2007;37: 805-11.

19 Guzzo M, Locati LD, Prott FJ, Gatta G, Mcgurk M, Licitra L, et al. Major and minor salivary gland tumors. Crit Rev Oncol Hematol. 2010;74:134-48.

20 Wahlberg P, Anderson H, Biörklund A, Möller T, Eperfekt R. Car- cinoma of the parotid and submandibular glands - a study of survival in 2465 patients. Oral Oncol. 2002;38:706-13.

21 Cohen AN, Damrose EJ, Huang RY, Nelson SD, Blackwell KE, Calcaterra TC, et al. Adenoid cystic carcinoma of the sub- mandibular gland: a 35-year review. J Otolaryngol Head Neck Surg. 2004;131:994-1000.

22 Garden AS, Weber RS, Morrison WH, Ang KK, Peters LJ. The influence of positive margins and nerve invasion in ade- noid cystic carcinoma of the head and neck treated with surgery and radiation. Int J Radiat Oncol Biol Phys. 1995;32:619-26.
- 2323 Spiers AS, Esseltine DL, Ruckdeschel JC, Davies JN, Horton J. Metastatic adenoid cystic carcinoma of salivary glands: case reports and review of the literature. Cancer Control. 1996;3:336-42. e radioterapia,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7.

10 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. também tendo relatos de tratamento através de quimioterapia.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. Entre os estudos que mencionaram a presença de recidiva,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. até o momento da publicação de tais artigos, o estudo de Perez et al.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. foi o que apresentou maior número de casos, com um total de 71 pacientes (55%), apresentado recidiva. Min et al.9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. não menciona a presença de recidiva. As taxas de sobrevida global foram variáveis entre os estudos. No estudo de DeAngelis et al.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. as taxas de sobrevida global de 5; 10 e 20 anos foram de, respectivamente, 92%; 72% e 54%. Já no estudo de Min et al.,9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. a taxa de sobrevida foi correlacionada a presença de metástase, sendo que a sobrevida global em 5 anos em pacientes com metástase linfonodal foi de 48% e sem metástase linfonodal foi 77%. No estudo de Luksi et al.,1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8. as taxas de sobrevivência foram de 62% em 5 anos; 53% em 10 anos e 27% aos 15 anos.

Discussão

Os estudos selecionados nesta revisão sistemática avaliaram diversos aspectos do Carcinoma Adenoide Cístico na região de cabeça e pescoço. Entre os estudos selecionados, sete demonstraram maior propensão entre a população do sexo feminino em apresentar o tumor maligno,3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. e em dois estudos foi mais frequente no sexo masculino.7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. Apesar de existir divergências, a literatura científica demonstra maior propensão do sexo feminino em adquirir o CAC.1616 Triantafillidou K, Dimitrakopoulos J, Iordanidis F, Koufogiannis D. Management of adenoid cystic carcinoma of minor salivary glands. J Oral Maxillofac Surg. 2006;64:1114-20.

No estudo de Perez et al.,1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. os sinais e sintomas clínicos mais comuns foram: presença de aumento nodular (92,1%), dor (59,8%), parestesia (12,6%) e congestão nasal (11,8%). Na análise de Bianchi et al.,1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. o tamanho do tumor primário variou entre 1 a 9 cm. Estudos apontam que tumores maiores que 3 cm podem apresentar uma alta taxa metastática, diferente de outros fatores como sexo, idade e invasão perineural.1717 Spiro RH. Distant metastasis in adenoid cystic carcinoma of sali- vary origin. Am J Surg. 1997;174:495-8. , 1818 Ko YH, Lee MA, Hong YS, Lee KS, Jung C, Kim YS, et al. Pro- gnostic factors affecting the clinical outcome of adenoid cystic carcinoma of the head and neck. Jpn J Clin Oncol. 2007;37: 805-11.

Entre os estudos que avaliaram os tipos histopatológicos o mais frequente foi o padrão cribriforme, seguido do tubular e sólido.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. , 1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. , 1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. , 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. No estudo de Khan et al.1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. houve predominância pelo padrão sólido e no estudo de Bianchi et al.1212 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31. houve semelhança entre os números de casos afetados pelo padrão cribriforme e sólido.

O palato foi o local de maior acometimento na maioria dos estudos selecionados, estando de acordo com outros estudos.1Santos GC, Martins MR, Pellacani LB, Vieira ACT, Nascimento LA, Abrahão M. Neoplasias de glândulas salivares: estudo de 119 casos. J Bras Patol Med Lab. 2003;39:371-5. , 2Wang D, Li Y, He H, Liu L, Wu L, He Z. Intraoral minor salivary gland tumors in a Chinese population: a retrospective study on 737 cases. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2007;104:94-100. , 4Kokemueller H, Eckardt A, Brachvogel P, Hausamen JE. Adenoid cystic carcinoma of the head and neck - a 20 years experience. Int J Oral Maxillofac Surg. 2004;33:25-31. Apenas no estudo de Khan et al.1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. o palato é mencionado como local de maior acometimento a orofaringe. Estudo realizado em 2007 aponta que a localização em glândulas salivares menores pode favorecer recidivas do tumor e um pior prognóstico.1818 Ko YH, Lee MA, Hong YS, Lee KS, Jung C, Kim YS, et al. Pro- gnostic factors affecting the clinical outcome of adenoid cystic carcinoma of the head and neck. Jpn J Clin Oncol. 2007;37: 805-11.

Todos os estudos selecionados analisaram a presença de metástase nos pacientes com CAC. No estudo de Sung et al.1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. que avaliou os fatores preditores e o impacto da metástase a distância no CAC, no total de 94 pacientes, 25 apresentaram metástase a distância e 3 metástase regional. Outros estudos apontam resultados semelhantes, onde os sítios mais frequentes de metástase são pulmões (80%), ossos (15%), fígado e outros sítios (5%), podendo surgir até mesmo depois de 20 anos após a ressecção do tumor primário, o que representa a principal causa de falhas no tratamento.1919 Guzzo M, Locati LD, Prott FJ, Gatta G, Mcgurk M, Licitra L, et al. Major and minor salivary gland tumors. Crit Rev Oncol Hematol. 2010;74:134-48. , 2020 Wahlberg P, Anderson H, Biörklund A, Möller T, Eperfekt R. Car- cinoma of the parotid and submandibular glands - a study of survival in 2465 patients. Oral Oncol. 2002;38:706-13. Entretanto, entre os estudos selecionados houve casos de semelhança entre metástase à distância e regional.1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. , 1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

A presença de recidiva é frequente entre os pacientes com CAC.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 1010 Luk?si´c I, Suton P, Macan D, Dinjar K. Intraoral adenoid cystic carcinoma: is the presence of perineural invasion associated with the size of the primary tumour, local extension, surgical margins, distant metastases, and outcome. Br J Oral Maxillofac Surg. 2014;52:214-8.

11 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30.

12 Bianchi B, Copelli C, Cocchi R, Ferrari S, Pederneschi N, Sesenna E. Adenoid cystic carcinoma of intraoral minor salivary glands. Oral Oncol. 2008;44:1026-31.

13 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46.

14 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58.
- 1515 Sung MW, Kim KH, Kim JW, Min YG, Seong WJ, Roh JL, et al. Clinicopathologic predictors and impact of distant metastasis from adenoid cystic carcinoma of the head and neck. Arch Otolaryngol Head Neck Surg. 2003;129:1193-7. A localização em glândulas salivares menores favorece recidivas e parece associar-se aos casos mais avançados e pior prognóstico.1818 Ko YH, Lee MA, Hong YS, Lee KS, Jung C, Kim YS, et al. Pro- gnostic factors affecting the clinical outcome of adenoid cystic carcinoma of the head and neck. Jpn J Clin Oncol. 2007;37: 805-11. No estudo de Khan et al.,1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. 29 pacientes apresentaram recidiva local, o autor associou a presença de invasão perineural com aumento de recidivas, e à maior incidência de margens comprometidas, estando de acordo com os outros estudos selecionados.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. , 7Chen AM, Bucci MK, Weinberg V, Garcia J, Quivey JM, Schechter NR, et al. Adenoid cystic carcinoma of the head and neck treated by surgery with or without postoperative radiation ther- apy: prognostic features of recurrence. Int J Radiat Oncol Biol Phys. 2006;66:152-9. , 9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. , 1111 Tincani AJ, Negro AD, Araújo PPC, Akashi HK, Martins AS, Altemani AM, et al. Management of salivary gland adenoid cystic carcinoma: institutional experience of a case series. Sao Paulo Med J. 2006;124:26-30. Estudo realizado em 1997 verificou uma redução das recidivas ao longo dos anos pela adequação relativa do uso da radioterapia, porém sem significativas repercussões nos índices de metástases à distância.1717 Spiro RH. Distant metastasis in adenoid cystic carcinoma of sali- vary origin. Am J Surg. 1997;174:495-8.

Queixas de dor e desconforto não são incomuns, sendo muitas vezes atribuídas ao comportamento invasivo do tumor. As células tendem a invadir e disseminar perifericamente aos fascículos nervosos. A invasão perineural é um achado histológico comum, sendo considerada uma possível via de disseminação das células tumorais.5Barrett AW, Speight PM. Perineural invasion in adenoid cystic carcinoma of the salivary glands: a valid prognostic indicator? Oral Oncol. 2009;45:936-40. , 1818 Ko YH, Lee MA, Hong YS, Lee KS, Jung C, Kim YS, et al. Pro- gnostic factors affecting the clinical outcome of adenoid cystic carcinoma of the head and neck. Jpn J Clin Oncol. 2007;37: 805-11. No estudo de Khan et al.,1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. a invasão perineural foi associada maior taxa de recidiva e margens cirúrgicas comprometidas, entretanto, o estudo de Perez et al.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. não obteve o mesmo resultado. Nenhum estudo correlacionou a presença de invasão perineural relacionada à metástase ou a taxa de sobrevida, entretanto, estudos apontam que pacientes com invasão perineural necessitam de tratamento radioterápico.2121 Cohen AN, Damrose EJ, Huang RY, Nelson SD, Blackwell KE, Calcaterra TC, et al. Adenoid cystic carcinoma of the sub- mandibular gland: a 35-year review. J Otolaryngol Head Neck Surg. 2004;131:994-1000. , 2222 Garden AS, Weber RS, Morrison WH, Ang KK, Peters LJ. The influence of positive margins and nerve invasion in ade- noid cystic carcinoma of the head and neck treated with surgery and radiation. Int J Radiat Oncol Biol Phys. 1995;32:619-26.

A modalidade de tratamento mais utilizada foi à cirúrgica, seguida ou não da radioterapia. No estudo de DeAngelis et al.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. O esvaziamento cervical foi realizado em cinco casos, para Khan et al.1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. tal tratamento é utilizado apenas para casos em que se tem algum sinal clínico ou imaginológico que o justifique, em vista do baixo índice de comprometimento metastático nodal. Perez et al.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. também apresentou casos de tratamento com associação da quimioterapia, entretanto, o valor da quimioterapia adjuvante após a cirurgia ainda não foi sistematicamente explorado.2323 Spiers AS, Esseltine DL, Ruckdeschel JC, Davies JN, Horton J. Metastatic adenoid cystic carcinoma of salivary glands: case reports and review of the literature. Cancer Control. 1996;3:336-42.

A taxa de sobrevida variou entre os estudos selecionados. No estudo de DeAngelis et al.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. as taxas de sobrevida global foram de 92% em 5 anos, 72% em 10 anos e 54% em 20 anos, já no estudo de Luksic et al.1414 Khan AJ, DiGiovanna MP, Ross DA, Sasaki CT, Carter D, Son YH. Adenoid cystic carcinoma: a retrospective clinical review. Int J Cancer. 2001;96:149-58. as taxas de sobrevivência da doença foi de 62% em 5 anos, 53% em 10 anos, e 27% aos 15 anos. Para Min et al.,9Min R, Siyi L, Wenjun Y, Ow A, Lizheng W, Minjun D, et al. Sali- vary gland adenoid cystic carcinoma with cervical lymph node metastasis: a preliminary study of 62 cases. Int J Oral Maxillofac Surg. 2012;41:952-7. a expectativa de vida está diretamente relacionada a presença de metástase sendo que a sobrevida global em 5 anos de pacientes com metástase linfonodal foi de 48% e 77% nos pacientes sem presenta de metástase. Perez et al.1313 Perez DEC, Alves FAA, Nishimoto IN, Almeida OP, Kowalski LP. Prognostic factors in head and neck adenoid cystic carcinoma. Oral Oncol. 2006;42:139-46. menciona que o padrão sólido possui uma menor taxa de sobrevida, o impacto do tumor sólido na sobrevida pode ser explicado, em parte, por seu maior potencial metastático. DeAngelis et al.3DeAngelis AF, Tsui A, Wiesenfeld D, Chandu A. Outcomes of patients with adenoid cystic carcinoma of the minor salivary glands. Int J Oral Maxillofac Surg. 2011;40:710-4. demonstram com o estudo realizado que a taxa de sobrevida dos pacientes cai consideravelmente em séries com período de seguimento superior a 15 anos.

Conclusão

O CAC é uma neoplasia maligna de tecido glândular que apresenta uma predisposição maior no sexo feminino e é comumente caracterizado pela presença de dor, alta taxa de recidiva, metástase e baixa sobrevida. A presença de invasão perineural não foi associada à presença de metástase ou taxa de sobrevida, mas está relacionada à presença de recidiva local e comprometimento das margens, além de influenciar o tratamento apropriado para o paciente. A realização de estudos com acompanhamento em longo prazo dos pacientes visando avaliar os aspectos clínicos do tumor é de extrema importância para maior conhecimento do CAC, assim como uma melhor avaliação clinico-patológica visando melhorar o prognóstico de tal patologia.

References

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  • Como citar este artigo: Dantas AN, de Morais EF, Macedo RA, Tinôco JM, Morais ML. Clinicopathological characteristics and perineural invasion in adenoid cystic carcinoma: a systematic review. Braz J Otorhinolaryngol. 2015;81:329-35.
  • ☆☆
    Instituição: Universidade Potiguar (UnP), Natal, RN, Brasil.

Datas de Publicação

  • Publicação nesta coleção
    May-Jun 2015

Histórico

  • Recebido
    15 Jun 2014
  • Aceito
    22 Jul 2014
Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial. Sede da Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico Facial, Av. Indianópolia, 1287, 04063-002 São Paulo/SP Brasil, Tel.: (0xx11) 5053-7500, Fax: (0xx11) 5053-7512 - São Paulo - SP - Brazil
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