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.

摘要鼻咽维瘤是非常罕见的良结缔组织肿瘤，最常发生在年青的，称息维瘤或维瘤息。

If it is a fibromatous tumor, you need to check mitosis and cytologic atypia carefully to see if it is malignant, like fibrothecoma.Malignant fibrous tumor is very few in ovary.

如果它是维瘤，你应该象维卵泡膜瘤一，需要认真地观察核分裂和细胞异型以判断它是否恶，卵巢恶维肿瘤非常少见。