II. Five Cases of "Non-Juvenile" Juvenile Polyp

Juvenile polyps are usually seen in children and have peculiar histological aspects. They are rarely seen in adults.165 polyps have been endoscopically removed in our institute. There were 5 ceses of juvenile polyps among them (about 3%). It was difficult to differenciate them from adenoma endoscopically, but was easy histologically.It is regarded as there are no differences between juvenile polyps in children and those in adults. But it is desirable to record the latter as "non-juvenile" juvenile polyp because of their rarity.In this paper we reported endoscopical and histological appearances of 5 "non-juvenile" juvenile polyps.