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

提出两例罕见上和非上囊肿瘤报告。

Dacryocystography was preformed in all patients before operation to confirm the obstructive sity and the size of lacrimal sac.

前造影以了解囊大小和阻塞部位，以选择最佳手证。

Method The clinical data of 15 cases with chronic dacryocystisis accepted dacryocystorhinostomy through nasal cavity and lacrimal sac were analyzed retrospectively.

回顾分析经鼻内窥镜下鼻腔囊吻合治疗慢囊炎15例临床资料。