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内翻性乳头状瘤系发生于鼻腔及鼻窦的一种少见的上皮源的真性肿瘤,其病理学的主要特点是上皮细胞乳头状倒生,向粘膜下层呈内翻性生长,形成分枝状隐窝及细胞巢,从而构成其特殊的病理组织学形态。“内翻性乳头状瘤”一名是Ringertz氏(1938)所提出,临床上的特点是鼻腔和窦有肿块增生堵塞鼻道,易出血,流脓涕或清涕,并有发生癌变者。我院自一九五六年至一九七五年中遇到内翻性乳头状瘤9例,兹报告如下:一,附表: 一、讨论一、发病率本瘤约占鼻腔及鼻付窦原发性肿瘤的3％,各年龄组可罹患,然多见于40-60岁,男女比例约3-10∶3,本组9例中6例为男性,年龄最小者10岁,最
Inverted papilloma occurs in a rare epithelial tumor of the nasal cavity and paranasal sinuses. The pathological main feature is epithelial cells papillary retrogradation, invagination to the submucosa, the formation of branched The crypts and cell nests constitute their special histopathological morphology. One of the “inverted papilloma” was proposed by Ringertz (1938). The clinical characteristic is that the nasal cavity and sinuses have hyperplastic masses that block the nasal passages, cause bleeding, discharge purulent or clear phlegm, and have cancer. In our hospital, 9 cases of inverted papilloma were encountered during the period from 1956 to 1975. We hereby report the following: First, the schedule: I. Discussion I. Incidence The tumor accounts for about nasal cavity and nasal cavity. 3% of sinus primary tumors can occur in all age groups. However, they are more common in 40-60 years old. The ratio of male to female is about 3-10:3. In this group of 9 cases, 6 cases are male, and the youngest is 10 years old.