An unexpected extra-gastrointestinal stromal tumor (E-GIST) on the jejunal mesentery

Abstract

Extra-gastrointestinal stromal tumors (E-GIST) are group of soft tissue neoplasm, which originates from outside the gastrointestinal tract and comprises less than 5% of the total GIST. Most commonly, they originate from the omentum, mesentery, retroperitoneum or the solid organs like liver and the pancreas. E-GIST arising from the sac of the jejunal mesentery, and mimicking preoperatively as a colonic neoplasm is very rare. Here we report an interesting case of a 55-year-old male, who presented with pain abdomen for 4 months duration. Contrast enhanced computed tomography was suggestive of right colonic neoplasm. Intraoperatively, to our surprise, the tumor was seen arising from the mesentery of the jejunum and was resected.

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