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Arch Surg. 2006;141:710.

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Answer: Jejunal Stromal Tumor

Gastrointestinal stromal tumors are the most common nonepithelial tumors that may arise anywhere in the gastrointestinal tract. They occur more frequently in elderly and middle-aged persons. Men and women are equally affected. The most common location is the stomach, and the second most frequent location is the small intestine. It has a good prognosis in the stomach, but it has a worse prognosis in small-intestinal localization.^1-3 The biological behavior of primitive gastrointestinal stromal tumor has yet to be completely clarified in terms of growth rate and metastatic potential. Small lesions with infrequent mitotic activity are considered benign, but growth over time will increase the malignant potential and lead to local symptoms such as bleeding, obstruction, and pain.^4-5 Although most patients with stromal tumors are asymptomatic, some tumors can grow. The clinical importance of gastrointestinal stromal tumor is owing to its malignant potential, including extragastric location, size greater than 5 cm, . . . [Full Text of this Article]

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Arch Surg. 2006;141(7):709.
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