Results The morphological features of the neoplasm were as follows: it arose in the large pancreatic ducts, and consisted of oncocytic cells with fine granular cytoplasm.

• 结果胰腺导管内嗜酸性乳头状肿瘤的特点为多发生在大导管内,呈乳头状,瘤细胞浆嗜酸性、细颗粒状。结论此瘤根据其衬覆上皮的不典型增生程度分为良性、交界性和恶性。