This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
All statements about adult intussusception are true except: 
Select and explain. 
A. Idiopathic and more enteric rather than colonic, B. Lead point present in majority of cases, C. Resection of bowel is adequate for large bowel intussusception, D. Hydrostatic reduction with barium or air are done if bowel is not gangrenous
A: Idiopathic and more enteric rather than colonic
Answer: A: Idiopathic and more enteric rather than colonic 
Explanation: Intussusception In Adults Bailey says " Adult cases of intussusception are invariably associated with a lead point, which is usually a polyp (e.g., Preutz-jegher&;s syndrome), a submucosal lipoma or other tumor " In adults , colonic intussusception is common but in children, ileocolic is the most commonest variety (77%) Ref: Bailey 27th edition Pgno: 1287