papilloma

To report two cases of rare primary lacrimal sac tumor-one of inverted papilloma and the other of hemangiopericytoma.

提出两例罕见和非泪囊肿瘤报告。

A small benign intraductal papilloma appears here in a breast duct, typically in one of the main lactiferous ducts beneath the areola.

图示腺导管中小良导管内头状瘤，代表地出现于晕下一个主要输管内。