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内翻型乳头状瘤（ｉｎｖｅｒｔｉｎｇｐａｐｉｌｌｏｍａ）系鼻腔和鼻窦内一种上皮细胞在粘膜下呈乳头状倒生，形成内翻性的分枝状隐窝和细胞巢，临床上可出现鼻塞、鼻出血、头痛等症状。我科于１９８４～１９９６年收治该病４１例，现报告如下。１ 临床资料 本组４１例中?
Inverted papilloma (invertingpapilloma) is a nasal cavity and sinus epithelial cells in the submucosal papillary retrograde formation of inverted valvular crypts and cell nests, clinically there may be nasal congestion, epistaxis, Headache and other symptoms. My Section in 1984 to 1996 admitted 41 cases of the disease, are as follows. 1 clinical data in this group of 41 cases?