Following is least common about angiodysplasia of colon:: (A) Involvement of cecum, (B) Involvement of rectum in 50% of cases, (C) Affecting age group >40 years, (D) Cause of troublesome lower GI hemorrhage
Answer is B. Ans. (b) Involvement of rectum in 50% cases* Angiodysplasia is rare in rectum* Causes troublesome intermittent lower GI bleeding. Very difficult to diagnose