Multiple eccrine spiradenoma is a rare and benign tumor of sweat glands.

多发性小汗腺螺旋腺瘤是一种少见的良性汗腺肿瘤。

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

提出两例罕见的上皮性和非上皮性泪囊肿瘤报告。

Nasopharyngeal fibroma is a very rare, benign, soft tissue tumor.This disease almost always occurs in young men.It is also called polypoid fibroma or fibromatous polyp.

摘要鼻咽纤维瘤是非常罕见的良性结缔组织肿瘤，最常发生在年青的男性，也称为息肉样纤维瘤或纤维瘤样息肉。