Author: Zachary Dong, M.D., Kimberley J. Evason, M.D., Ph.D.
A 72 year old man presented with jaundice. CT scan showed dilatation of the left bile duct, which contained a papillary lesion. An image from the resection specimen is shown. Which of the following is true about this entity?
Select an answer:
A. The epithelium is most commonly intestinal type with goblet cells
B. It lacks ovarian stroma
C. It is almost always unifocal
D. There is a strong male predominance
E. There is a very low risk of associated invasive carcinoma
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