papillary adenoma

Papillary adenoma is also called villous adenoma clinically, which is different from polypoid adenoma, and its characteristic is that the adenoma bulges on the intestinal wall without being very prominent. The surface is coarse fluff. Because there are many opportunities for canceration, it is considered as precancerous lesion. More than 60 years old onset of the elderly, and occurred in the rectum and sigmoid colon papillary gland...