绒毛状腺瘤,左边显示表面,右边显示横切面。无蒂,比管状腺瘤(腺瘤息肉)要大。绒毛状腺瘤直径一般几厘米,可以达到10个厘米。
The gross appearance of a villous adenoma is shown above the surface at the left, and in cross section at the right. Note that this type of adenoma is sessile, rather than pedunculated, and larger than a tubular adenoma (adenomatous polyp). A villous adenoma averages several centimeters in diameter, and may be up to 10 cm.