Most common primary malignant neoplasm of small bowel
Correct Answer: Adenocarcinoma
Description: Ans) a (Adenocarcinoma) Ref: Sabiston 18th ed pg 1312 1. MC tumor of the small bowel is ADENOMA>GIST. 2 MC symptomatic tumor of the small bowel is GIST. 3. MC MALIGNANCY of the small bowel is Mets. 4.MC PRIMARY malignancy of the small bowel is ADENOCARCINOMA Adenocarcinoma - 50% malignant tumors of small bowel - 7th decade of life; male predominance - Duodenum & proximal jejunum - Those assosciated with crohn's disease present in younger age & 70% in ileum - Tumors in duodenum - c/c bleeding, jaundice - Tumors in jejunum & ileum- pain, weight loss, intestinal obstruction & c/c bleeds Treatment Wide resection including regional lymph nodes. For duodenal tumors - Whipple's resection.
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