Massive bleeding per rectum in a 70 yr old patient is due to ?
Correct Answer: Diveiculosis
Description: Ans. is 'a' i.e., Diveiculosis Causes of lower GI bleed in adults 1) Local anorectal diseases - hemorrhoids (most common), anal fisures.2) Diveiculosis (2nd MC)3) Vascular ectasias, angiodysplasias4) Neoplasm (polyps & adenocarcinoma)5) Colitis (Ischemic, infectious, & IBD)Although hemorrhoids are the MC cause of bleeding per rectum, it causes small bleed.Diveiculosis is the MC cause of massive bleeding per rectum.Diveicular bleeding is abrupt in onset usually painless, sometimes massive, and often from the right colon. The bleeding stops spontaneously in approx. 80% of patients and rebleeds in 20-25% of pts.
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