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Laparoscopic Wedge Resection of Gastric Submucosal Tumors

Otani, Yoshihide M.D., F.A.C.S.; Ohgami, Masahiro M.D., F.A.C.S.; Igarashi, Naoki M.D.; Kimata, Masaru M.D.; Kubota, Tetsuro M.D., F.A.C.S.; Kumai, Koichiro M.D.; Kitajima, Masaki M.D., F.A.C.S.; Mukai, Makio M.D.

Surgical Laparoscopy, Endoscopy & Percutaneous Techniques: February 2000 - Volume 10 - Issue 1 - p 19-23

Summary: Minimally invasive surgery has revolutionized the treatment of gastrointestinal tumors. Submucosal tumors (SMTs) of the stomach can be resected using laparoscopic techniques. Between 1993 and 1997, laparoscopic wedge resection was performed in 34 patients with an SMT of the stomach. The tumors ranged from 8 to 60 mm in diameter. All surgical margins were clear. The average operative time was 131 minutes. Most of the patients began eating on the first postoperative day and were discharged within 5 to 7 days. Histopathologic examination of the tumors showed gastrointestinal stromal tumor (n = 14), ectopic pancreas (n = 7), leiomyosarcoma (n = 4), schwannoma (n = 3), carcinoid (n = 2), leiomyoma (n = 2), an inflammatory lesion caused by parasites (n = 1), and cyst (n = 1). No recurrences were observed over the 5-year follow-up period. A solid SMT of the stomach larger than 20 mm in diameter can be treated using laparoscopic wedge resection.

From the Departments of Surgery (Y.O., M.O., N.I., M.K., T.K., K.K., M.K.) and Pathology (M.M.), School of Medicine, Keio University, Tokyo, Japan.

Received April 9, 1999; revision received November 5, 1999; accepted November 11, 1999.

Address correspondence and reprint requests to Dr. Yoshihide Otani, Department of Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.

Copyright © 2000 Wolters Kluwer Health, Inc. All rights reserved.