CASE REPORTS   

Chirurgia 2009 April;22(2):83-86

Copyright © 2009 EDIZIONI MINERVA MEDICA

language: Italian

Gastrointestinal stromal tumor of the lesser omentum: a clinicopathologic study on a case report and review of the literature

Lagoudianakis E. E., Tsekouras D. K., Genetzakis M., Papadima A., Pappas A., Filis K., Katergiannakis V., Manouras A.

First Department of Propedeutic Surgery Hippocrateion Hospital, Athens Medical School, Athens, Greece

A 57-year old woman with vague abdominal pain was admitted to our department for further investigation. Abdominal computed tomography (CT) and magnetic resonance imaging (MRI) showed a well defined mass rising from the lesser omental sac. The tumor was resected via laparotomy and immunohistochemical examination showed features that correspond to extragastrointestinal stromal tumor (EGIST).The patient was free of recurrence at his 18 month follow-up. We report a case of a primary EGIST rising from the lesser omentum treated in our department and a review of the current literature. EGISTs are histologically and immunophenotypically similar to their gastrointestinal counterparts. Prognostic features such as tumor necrosis, mitotic activity and cellularity and therapeutic strategies used in GISTs rising from the tubular gastrointestinal tract could be applicable for EGISTs.