鼻内镜下下鼻甲翻转入路治疗上颌窦内翻性乳头状瘤

目的 探讨上颌窦内翻性乳头状瘤的手术入路及方法。方法 2006年1月至2011年6月应用下鼻甲翻转治疗上颌窦内翻性乳头状瘤29例，根据Krouse临床分级标准所有病例均为Ⅲ级。其中原发于上颌窦者4例，原发于其他部位累及上颌窦者25例，均采用鼻内镜下下鼻甲翻转方式清除病变组织。结果 所有患者随访12～36个月，仅3例术后复发，有2例病变广泛，为全组鼻窦病变，1例为原发于额隐窝，余26例预后良好，未见复发。结论 应用下鼻甲翻转入路可以减少创伤，提供开阔的手术视野，是治疗上颌窦内翻性乳头状瘤的有效手段。

Inferior nasal concha flipping for treatment of inverted papilloma of the maxillary sinus by endoscopy

Objective To explore the treatment method of inverted papilloma of the maxillary sinus. Methods 29 cases were treated by an inferiornasal concha flipping pathway from January 2006 to June 2011. All the cases were in stage Ⅲ according to the Clinical grading standard of Krouse. 4 cases originated in the maxillary sinus, the other 25 cases invaded in the maxillary sinus. All the patients were performed the operations by the inferior nasal concha flipping approach. Results Followed up in 12 to 36 months, only 3 cases recurred. Among these recurrence cases, 2 were extensive lesion for all the sinuses and 1 originated in the frontal sinus. Conclusion Inferior nasal concha flipping is helpful in reducing trauma and providing an expansive field of view and is an effective method of treatment of inverted papilloma of the maxillary sinus.