Endoscopic Resection of a Retroperitoneal Schwannoma: Case Report

Öktenoğlu, Tunç; Carilli, Senol; Sasani, Mehdi; Özer, Ali Fahir; Sarıoğlu, Ayşe

doi:10.1055/s-0029-1242806

Cited by 2 publications

(1 citation statement)

References 18 publications

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“…The growth characteristics of schwannomas were previously unknown, leading to much uncertainty regarding optimal clinical management. All existing literature on schwannomas is confined to case studies or small single‐centre case series. The inclusion of all eligible schwannomas in a single growth model found tumour volume to increase significantly over time.…”

Section: Discussionmentioning

confidence: 99%

Intercontinental collaborative experience with abdominal, retroperitoneal and pelvic schwannomas

Barros

Hodson

Glasbey

et al. 2020

Journal of British Surgery

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Background Schwannomas are rare tumours that pose a significant management challenge in the abdomen, retroperitoneum and pelvis. No data are available to inform management strategy. Methods A collaborative international cohort study, across specialist sarcoma units, was conducted to include adults presenting between 2000 and 2017 with histopathologically confirmed schwannomas within the abdomen, retroperitoneum or pelvis. Results Of 485 patients across 12 centres, 38 (7·8 per cent) were discharged without follow‐up, 199 (41·0 per cent) underwent early resection and 248 (51·1 per cent) had radiological monitoring. Of these 248 patients, 96 (38·7 per cent) eventually had surgery, giving an overall resection rate of 60·8 per cent (295 of 485). At baseline, median tumour volume was 90·1 (i.q.r. 26·5–262·0) cm3. The estimated growth rate was 10·5 (95 per cent c.i. 9·4 to 11·6) per cent per year, and was consistent in the short term (within 2 years of diagnosis) and long term (beyond 2 years) (ρ = 0·405, P = 0·021). A decision to operate was more common in symptomatic patients (P < 0·001) and for rapidly growing tumours (growth rate more than 20 per cent per year) (P = 0·025). R0/R1 resection was achieved in 91·6 per cent of patients (263 of 287). Kaplan–Meier long‐term recurrence rates after R0/R1 resection were 2·3 and 6·7 per cent at 3 and 5 years respectively. Conclusion Specific recommendations include: indications for early surgery, prediction of growth from radiological monitoring, promotion of selective submacroscopic resection and cessation of postoperative imaging surveillance.

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Section: Discussionmentioning

confidence: 99%

Intercontinental collaborative experience with abdominal, retroperitoneal and pelvic schwannomas

Barros

Hodson

Glasbey

et al. 2020

Journal of British Surgery

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Lateral access to paravertebral tumors

Boah¹,

Perin²

2016

SPI

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Traditional transabdominal and retroperitoneal approaches for paravertebral tumors can be associated with injury to the viscera and lumbar plexus. The authors provide a technical description of a known approach with a new application for the resection of paraspinal tumors using both open and minimally invasive transpsoas techniques and report on 2 illustrative cases. In both cases, gross-total resection of the tumor was achieved and the patients experienced resolution of their presenting neurological symptoms, although one of the patients required 2 extra days of hospitalization due to an asymptomatic retroperitoneal hematoma, which was conservatively managed. The authors conclude that the lateral transpsoas approach is a safe approach for paravertebral tumors and may not require an access surgeon.

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Endoscopic Resection of a Retroperitoneal Schwannoma: Case Report

Abstract: The endoscopic transabdominal approach is a safe, efficient and minimally invasive procedure compared to traditional methods also to remove retroperitoneal schwannomas in selected cases.

Cited by 2 publications

References 18 publications

Intercontinental collaborative experience with abdominal, retroperitoneal and pelvic schwannomas

Intercontinental collaborative experience with abdominal, retroperitoneal and pelvic schwannomas

Lateral access to paravertebral tumors

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