Synchronous occurrence of gastrointestinal stromal tumors and other primary gastrointestinal neoplasms

doi:10.3748/wjg.v12.i33.5360

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Sep 7, 2006; 12(33): 5360-5362
Published online Sep 7, 2006. doi: 10.3748/wjg.v12.i33.5360

Synchronous occurrence of gastrointestinal stromal tumors and other primary gastrointestinal neoplasms

Marek Wronski, Bogna Ziarkiewicz-Wroblewska, Barbara Gornicka, Wlodzimierz Cebulski, Maciej Slodkowski, Aleksander Wasiutynski, Ireneusz W Krasnodebski

Marek Wronski, Wlodzimierz Cebulski, Maciej Slodkowski, Ireneusz W Krasnodebski, Department of General and Gastroenterological Surgery and Nutrition, Warsaw University of Medicine, ul. Banacha 1A, 02-097 Warsaw, Poland

Bogna Ziarkiewicz-Wroblewska, Barbara Gornicka, Aleksander Wasiutynski, Department of Pathology, Warsaw University of Medicine, ul. Pawinskiego 7, 02-106 Warsaw, Poland

Correspondence to: Dr. Marek Wronski, Katedra i Klinika Chirurgii Ogolnej, Gastroenterologicznej i Zywienia AM, ul. Banacha 1A, Warsaw 02- 097, Poland. mwronski@coris.com.pl

Telephone: +48-22-5992258 Fax: +48-22-5992057

Received: April 9, 2006
Revised: April 28, 2006
Accepted: May 22, 2006
Published online: September 7, 2006

Abstract

AIM: To review clinical and pathologic features of Gas-trointestinal stromal tumors (GISTs) occurring synchro-nously with other primary gastrointestinal neoplasms.

METHODS: Twenty-eight patients with primary GIST were treated at our institution between 1989 and 2005. Clinical and pathologic records were reviewed.

RESULTS: The gastrointestinal stromal tumor occurred simultaneously with other primary GI malignancies in 14% of all patients with GIST. The synchronous stromal tumors were located in the stomach and were incidentally found during the operation. The coexistent neoplasms were colon adenocarcinoma, gastric cancer (2 cases) and gastric lymphoma.

CONCLUSION: The synchronous occurrence of GISTs and other gastrointestinal malignancies is more common than it has been considered. The development of gastrointestinal stromal tumors and other neoplasms may involve the same carcinogenic agents.

Keywords: Gastrointestinal stromal tumors; Synchronous neoplasms