Most common site of gastrointestinal carcinoid is -: (A) Duodenum, (B) Appendix, (C) Ileo-Jejunum, (D) Stomach
Answer is C. Answer- C. Ileo-JejunumCarcinoid tumors arise from the neuroendocrine cells (Argentaffin cells or Kulchitsky cells).The majority are found in GI tract, and more than,l0% in small intestine (jejunum & ileum).The tracheobronchial tree and lungs are the next common sites involved.