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
Premalignant lesion for carcinoma rectum is 
Select and explain. 
A. Familial polyposis, B. FAP, C. Juvenile polyp, D. Adenomatous polyp
A: Familial polyposis
Answer: A: Familial polyposis 
Explanation: This autosomal dominantly inherited condition is characterised by the development of multiple rectal and colonic polyps around pubey. A colonoscopy and biopsy will confirm the diagnosis.as this condition is pre-malignant, a total colectomy must be performed; often, the rectum can be preserved, but regular flexible endoscopy and removal of polyps before they develop carcinoma are required. Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1228,1229