All of the following about gastrointestinal carcinoid tumours are true, Except: (A) Small intestine and appendix account for almost 60% of all gastrointestinal carcinoid, (B) Rectum is spared, (C) 5 year survival for carcinoid tumors is > 60%, (D) Appendical carcinoids are more common in females than males
Answer is B. About 15% rectum is involved in a carcinoid tumour it arises from the submucosa with the overlying intact mucous membrane. Reference SRB 5 the edition page no. 877