最新鼻腔鼻窦肿瘤71ppt课件.ppt

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1、鼻腔鼻窦肿瘤71一、鼻腔鼻窦乳头状瘤主要发生在鼻腔鼻窦多见于40岁以上单侧发病与乳头状瘤病毒感染有关内翻性乳头状瘤又称为边缘性肿瘤、癌前状态、潜在性恶性肿瘤治疗手术切除：鼻侧切开、上唇揭翻进路（面中翻）、鼻内镜手术术后复查恶变者应辅以放疗知识链接点内翻性乳头状瘤恶变征象？1、术后迅速复发2、迅速侵及临近组织或结构3、反复鼻出血4、顽固性头面部疼痛乳头状瘤恶变向颅内和眶内侵犯内翻性乳头状瘤影像学特征？二、鼻-鼻窦恶性肿瘤和恶性肉芽肿原发于鼻窦的较鼻腔的多：发病率依次为上颌窦筛窦额窦蝶窦鼻-鼻窦癌：以鳞状细胞癌多见鼻-鼻窦肉瘤：以恶性淋巴瘤多见临床表现单侧鼻塞、脓血涕单

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