Abstract
A total of 23691 patients were screened with sigmoid fiberscopy at the human Dock. From these subjects, 14 cases of rectal carcinoid were found, with the incidence of 0.06%. Nine cases were male and 5 cases were female, but there was no difference between male and female on incidence rate.
All the 14 tumors located within 10cm from anal verge and were less than 10mm in diameter. According to Soga's classification, histological type was type A in 4, type B in 4, and type E in 6 cases. Over 4 years the median period of follow up observation, there was no local reccurence and distant metastasis in 9 cases treated by endoscopic polypectomy only.