在鼻及鼻窦恶性肿瘤的联合或综合治疗中,手术是最重要的步骤之一,根据肿瘤原发部位、侵犯范围、需切除范围等,过去已有多种手术方式。作者认为靠细致的临床和X线造影检查,如确定鼻腔及上颌窦底骨质完好者,可以保留硬腭和上颌骨牙槽突。在各种手术方式中,鼻内切除法显然不合原则。Denker术式只适用于一侧鼻腔或上颌窦的Ⅰ、Ⅱ期肿瘤,当肿瘤扩展至对侧鼻腔后就不能用此法根洽切除。Р_(уж)术式系在双侧尖牙之间 Surgery is one of the most important steps in the combined or comprehensive treatment of nasal and nasal malignant tumors. According to the primary tumor site, the scope of invasion, the scope of excision, etc., there have been many surgical procedures in the past. The authors believe that by careful clinical and X-ray examination, such as determining the nasal cavity and maxillary sinus bone integrity, can retain the palate and maxillary alveolar process. In a variety of surgical methods, the intranasal excision obviously inconsistent with the principle. Denker operation applies only to one side of the nasal cavity or maxillary sinus stage Ⅰ, Ⅱ tumors, when the tumor extended to the contralateral nasal cavity after this method can not be used for root resection. Р_ (уж) surgical system between the bilateral canines