Extraintestinal gastrointestinal stromal tumor of undetermined origin: Is the mass resection a wrong approach? A case report and review of the literature

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Özgür Haki Yüksel *
Serkan Akan
Çaglar Yildirim
Ahmet Ürkmez
Ayhan Verit
(*) Corresponding Author:
Özgür Haki Yüksel | ozgurhaki@gmail.com


Gastrointestinal stromal tumor (GIST) was first defined by Mazur et al. in 1983. GIST is evaluated among tumoral lesions that can be acquired or congenital. Those not associated with gastrointestinal system are termed as extragastrointestinal stromal tumor (EGIST). EGISTs can develop on intraperitoneal spaces as omentum, mesenterium and gallbladder and they can occur on retroperitoneum, extraperitoneal (prostate) and intrapelvic organs. Herein, we present a case with EGIST in a 65-year-old male patient located in intrapelvic and retroprostatic area which had no connection with gastrointestinal system as assessed by radiological methods and we discuss its treatment. We reviewed the literature and observed that ours is the first case report on a patient in which the mass was only extirpated rather than performing radical surgery. He is still at the 2. year of his follow-up period without any disease recurrence.

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