Chronic lymphadenopathy caused by a Brazilian strain of <i>Bartonella henselae</i>

Bartonella henselae is a relevant causative agent of bartonelloses in humans. We described an immunocompetent patient with clinical manifestation of chronic cervical lymphadenopathy after a cat-scratch in her forearm. This case shows B. henselae infection persistence even after prolonged antibiotic treatment.

Bartonella; Cat-scratch disease; Lymph nodes

Authorship

Marina Rovani Drummond

Universidade de Campinas, Faculdade de Medicina, Campinas, São Paulo, BrazilUniversidade de CampinasBrazilCampinas, São Paulo, BrazilUniversidade de Campinas, Faculdade de Medicina, Campinas, São Paulo, Brazil

Paulo Eduardo Neves Ferreira Velho

Marcio Antonio Haro Adad

Maria Letícia Cintra

Stanley Sowy

Western University of Health Sciences, Pomona, California, USAWestern University of Health SciencesUSAPomona, California, USAWestern University of Health Sciences, Pomona, California, USA

Pedro Paulo Vissotto de Paiva Diniz

Western University of Health Sciences, Pomona, California, USAWestern University of Health SciencesUSAPomona, California, USAWestern University of Health Sciences, Pomona, California, USA

Correspondence to: Paulo Eduardo Neves Ferreira Velho Universidade de Campinas, Faculdade de Medicina, Rua Tessália Vieira Camargo, 126, Barão Geraldo, CEP 13084-971, Campinas, SP, Brazil. Tel: + 55 19 3521-7602. E-mail: pvelho@unicamp.br

SCIMAGO INSTITUTIONS RANKINGS

Western University of Health Sciences, Pomona, California, USAWestern University of Health SciencesUSAPomona, California, USAWestern University of Health Sciences, Pomona, California, USA

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Figure 1
- Right and left cervical regions of the neck, respectively, showing site scarring from suppuration and lymphadenopathy

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Figure 2
Phylogenetic tree of the 16S–23S rRNA ITS region (top) and Pap31 gene (bottom) of Bartonella species closely related to the DNA sequences obtained from this patient. The phylogenetic tree was based on 579 bp sequences of the 16S–23S rRNA Intergenic Transcribed Spacer (ITS) region and on 448 bp sequences of the bacteriophage associated heme-binding protein Pap31 gene of selected Bartonella henselae strains and closely related species by using the Maximum Likelihood method based on the Kimura-Nei model. Each bacterial name is followed by the isolation source and geographic origin, and the GenBank accession number is provided in parentheses. The numbers at the nodes indicate percentages of bootstrap support based on 1,000 replicates. The scale bar indicates 0.01 and 0.005 substitutions per nucleotide position for the ITS region and the Pap31 gene, respectively. Phylogenetic analyses were conducted with MEGA7

Figure 1 - Right and left cervical regions of the neck, respectively, showing site scarring from suppuration and lymphadenopathy

Figure 2 Phylogenetic tree of the 16S–23S rRNA ITS region (top) and Pap31 gene (bottom) of Bartonella species closely related to the DNA sequences obtained from this patient. The phylogenetic tree was based on 579 bp sequences of the 16S–23S rRNA Intergenic Transcribed Spacer (ITS) region and on 448 bp sequences of the bacteriophage associated heme-binding protein Pap31 gene of selected Bartonella henselae strains and closely related species by using the Maximum Likelihood method based on the Kimura-Nei model. Each bacterial name is followed by the isolation source and geographic origin, and the GenBank accession number is provided in parentheses. The numbers at the nodes indicate percentages of bootstrap support based on 1,000 replicates. The scale bar indicates 0.01 and 0.005 substitutions per nucleotide position for the ITS region and the Pap31 gene, respectively. Phylogenetic analyses were conducted with MEGA7

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Instituto de Medicina Tropical de São Paulo Av. Dr. Enéas de Carvalho Aguiar, 470, 05403-000 - São Paulo - SP - Brazil, Tel. +55 11 3061-7005 - São Paulo - SP - Brazil
E-mail: revimtsp@usp.br

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Chronic lymphadenopathy caused by a Brazilian strain of <i>Bartonella henselae</i>

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[1] Correspondence to: Paulo Eduardo Neves Ferreira Velho Universidade de Campinas, Faculdade de Medicina, Rua Tessália Vieira Camargo, 126, Barão Geraldo, CEP 13084-971, Campinas, SP, Brazil. Tel: + 55 19 3521-7602. E-mail: pvelho@unicamp.br