Most common tumour occurring in appendix includes: (A) Carcinoid tumour, (B) Melanoma, (C) Adeno carcinoma, (D) Mucinous
Answer is A. Carcinoid tumours arise in argentaffin tissue (Kulchitsky cells of the crypts of Lieberkuhn) and are most common in the vermiform appendix.The tumour can occur in any pa of the appendix, but it is frequently found in the distal third Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1217