Which type of carcinoid is associated with greatest incidence of metastasis ?: (A) Appendix carcinoid, (B) Colonic carcinoid, (C) Hepatic carcinoid, (D) Pancreatic carcinoid
Answer is D. Incidence of metastasis in different types of carcinoid are : Pancreatic Carcinoid : 71.9 %, Liver 32%, Appendix Carcinoid : 38.8 and Colonic Carcinoid is : 51. Reference: Harrisons Principles of Internal Medicine, 18th Edition, Page 3058, Table 350-3