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The Desmoid Tumor Research Foundation

April 2017

An Intra-Abdominal Desmoid Tumor, Embedded in the Pancreas, Preoperatively Diagnosed as an Extragastric Growing Gastrointestinal Stromal Tumor.

Author Information

Atsuko Maruno,Aya Kawanishi,Daisuke Furukawa,Kazuhito Nabeshima,Kenichi Hirabayashi,Kenji Nakamura,Mari Mizuno,Masami Ogawa,Mifuji Tomioku,Tetsuya Mine,Yohei Kawashima,Yoshiaki Kawaguchi

aDepartment of Gastroenterology, Tokai University School of Medicine, Isehara, Japan.,bDepartment of Surgery, Tokai University School of Medicine, Isehara, Japan.,cDepartment of Pathology, Tokai University School of Medicine, Isehara, Japan.

Publication

Summary

A 45-year-old woman was found to have a pancreatic tumor by abdominal ultrasound performed for a medical check-up. Abdominal contrast-enhanced computed tomography showed a hypovascular tumor measuring 30 mm in diameter in the pancreatic tail. Endoscopic ultrasound-guided fine needle aspiration was performed. An extragastric growing gastrointestinal stromal tumor was thereby diagnosed preoperatively, and surgical resection was planned. Laparoscopic surgery was attempted but conversion to open surgery was necessitated by extensive adhesions, and distal pancreatectomy, splenectomy, and partial gastrectomy were performed. The histological diagnosis was an intra-abdominal desmoid tumor.

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