Complete removal of the spinal nerve sheath tumors.
                    Surgical technics and results from a series of 30 patients

Fernandes, Rudi Lenck; Lynch, José Carlos; Welling, Leonardo; Gonçalves, Mariangela; Tragante, Rodrigo; Temponi, Vicente; Pereira, Celestino

doi:10.1590/0004-282X20140008

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Articles • Arq. Neuro-Psiquiatr. 72 (4) • Apr 2014 • https://doi.org/10.1590/0004-282X20140008 copy

Complete removal of the spinal nerve sheath tumors. Surgical technics and results from a series of 30 patients

Remoção completa dos tumores da bainha dos nervos raquianos. Técnica cirúrgica e resultados de uma série de 30 pacientes

Authorship SCIMAGO INSTITUTIONS RANKINGS

Objective:

Observe whether a microsurgical gross total removal (GTR) of a spinal nerve sheath tumors (SNSTs) is safe and decreases the tumor recurrence.

Method:

We identify 30 patients with 44 SNSTs.

Results:

We operated upon 15 males and 15 females patients; mean age 40 years. GTR was achieved in 29 (96.6%) instances. Surgical mortality was 3.3% and the recurrence rate was 3.3%. The median follow-up time was 6.2 years.

Conclusion:

The surgical approach used in this group of patients afford that the great majority of tumors could be totally removed with low mortality and low recurrence rates, proving to be safe and effective.

microsurgery; neurofibroma; schwannoma; spinal nerve sheath tumors; surgical treatment

Author/ year	N Cases	GTR(%)	Mort. (%)	Rec. (%)	F/U (years)
Abanese et al.³/ 2002	41	94	6	N/A	5
Jeon JH et al.⁶/ 2008	38	85	0	5.0	N/A
Contti P et al.⁷/2004	152	97.2	1.3	1.9	N/A
Seppala et al.¹/ 1995	187	89.3	1.6	5.8	12.9
Safavi et al.²/ 2008	128	97	0	3.9	4.2
Celli P et al.¹³/ 2005	24	95.5	0	4.1	9
Current series	30	96.6	3.3	3.3	6.2

Academia Brasileira de Neurologia - ABNEURO R. Vergueiro, 1353 sl.1404 - Ed. Top Towers Offices Torre Norte, 04101-000 São Paulo SP Brazil, Tel.: +55 11 5084-9463 | +55 11 5083-3876 - São Paulo - SP - Brazil
E-mail: revista.arquivos@abneuro.org

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[1] Correspondence: José Carlos Lynch; Rua Jardim Botânico 600, sala 605; 22461-000. Rio de Janeiro, RJ. Brasil; E-mail: cneuroamericas@uol.com.br

Age at treatment	8 to 70 years (mean 40.6 years)
Female	15(50%)
Male	15(50%)
NF 2	2 (6.6%)
Clinical-neurological picture
Duration of symptoms	10 day to 2 years (mean, 8.4 months)
Radicular pain	14 (46%)
Motor deficit	12 (40%)
Axial pain	6 (20%)
Follow up	1 to 26 years (mean, 6.2 years)
Location
Lumbar	11(36.6%)
Thoracic	10(33.3%)
Cervical	7(23.3%)
Two segments	2(6.6)
Multiple lesions	6(20%)
Histology
Schwannoma	24(80%)
Neurofibroma	6(20%)
Follow-up	from 1 to 26 years (mean, 6.2 years)
Surgical mortality	1 (3.3%)
Gross total removal	29 (96.6%)
Recurrence	1(3.3%)