zd20 copy.JPG (35711 bytes) 20.Here is a small hepatic adenoma, an uncommon benign neoplasm,but one that shows how well-demarcated an benign neoplasm is. It also illustrates how function of the normal tissue is maintained,because the adenoma is making bile pigment, giving it a green color.

20.图为肝的一个小腺瘤，显示其边界清楚及保持正常功能，可分泌胆汁，染成绿色。