Year 2023 / Volume 115 / Number 10
Letter
Bile duct schwannoma, an uncommon cause of a bile duct tumor, diagnosis and therapeutic management

587-588

DOI: 10.17235/reed.2023.9443/2022

Alberto García Picazo, Viviana Vega Novillo, Rubén Gallardo Gallego, Carmelo Loinaz Segurola, Iago Justo Alonso,

Abstract
Biliary Schwannoma is an uncommon tumor in the digestive system and extremely rare in the bile duct. We report 48 year-old male with an incidentally found in the CT, a tumor in the hepatic hilum (3.2 cm), abutting the first portion of the duodenum, without common bile duct obstruction or lymphadenopathy. The patient was asymptomatic and had normal tumor markers. The endoscopic ultrasound (EUS) demonstrated contact between the tumor, common bile duct and right hepatic artery and the biopsy suggested of mesenchymal tumor. Tumor board recommended excision of the tumor, due to the risk of malignancy and biliary obstruction. The tumor was resected through laparoscopic approach, with a Roux-en-Y hepatico-jejunostomy. The histological report showed a biliary Schwannoma (positivity for S100 and focal GFAP), which infiltrated the external wall of the bile duct, without affecting the cystic duct, surgical margins were free of neoplasia.
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References
1. Takami K, Yamamoto K, Sakurai H, Kondo N, Shibata H, Katayose Y. Biliary Schwannoma That Required differentiation from Bile Duct Cancer. Case Rep Gastroenterol. 2021;15:578–586.
2. Ishimaru, N, Fujikawa, H, Kobayashi Y. Successful preoperative diagnosis and minimally invasive surgery of bile duct schwannoma. Clin J Gastroenterol. 2021;14:336–340.
3. Campos CM, Sanz IG, Nova JL, Anca AV, Perez ME. Schwannoma of the biliary tract resembling cholangiocarcinoma: a case report and review. Ann R Coll Surg Engl. 2016;98:143–146.
4. Chen WM, Wei KL, Chen YS, Chang PJ, Tung SY, Chang TS, et al. Transpapillary biliary biopsy for malignant biliary strictures: comparison between cholangiocarcinoma and pancreatic cancer. World J Surg Oncol. 2016;14:140.
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Citation tools
García Picazo A, Vega Novillo V, Gallardo Gallego R, Loinaz Segurola C, Justo Alonso I. Bile duct schwannoma, an uncommon cause of a bile duct tumor, diagnosis and therapeutic management. 9443/2022


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Publication history

Received: 24/12/2022

Accepted: 01/01/2023

Online First: 16/01/2023

Published: 09/10/2023

Article Online First time: 23 days

Article editing time: 289 days


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