鼻腔及鼻窦恶性肿瘤比较常见,占耳鼻咽喉恶性肿瘤的21.74%～49.22%,而鼻窦恶性肿瘤又以上颌窦癌较多见。上颌窦癌的治疗方法目前公认以手术切除为主的综合治疗预后最佳,而上颌骨全切又是治疗上颌窦癌最常用的手术方法。上颌骨位于颜面中部,参与口腔及面部多部位的构成,是面中部 Nasal and sinus malignant tumors are more common, accounting for 21.74% ~ 49.22% of the otolaryngologic malignancies, and malignant sinus cancer in turn more common in maxillary sinus cancer. The treatment of maxillary sinus cancer is currently recognized as the best surgical treatment of comprehensive prognosis, while the maxillary total resection is the most commonly used method of treatment of maxillary sinus surgery. The upper jaw is located in the middle of the facial area and participates in the composition of multiple parts of the oral cavity and facial area