Özet:

Gastrointestinal stromal tumours (GISTs) are the most common mesenchymal tumours of the gastrointestinal tract. GISTs are thought to originate from the precursors of intersititial Cajal cells which regulate gastrointestinal peristaltism. Complete resection is the mainstay of therapy for GISTs. Negative surgical margins, no tumor rupture and complete resection without residual tumour are aimed for an optimal surgery. A 57 year old man presented to general surgery outpatient clinic with abdominal pain and vomiting which lasted for 4 months. Physical examination was unremarkable and abdominal computed tomography revealed a 72x48 mm mass located on the left of the midline involving necrotic areas and air shadows. An elective surgery was planned and intestinal resection was made providing negative surgical margins. This case report suggests that although GISTs are rarely encountered tumours, they should be kept in my mind in the differential diagnosis.

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