患者男 ,48岁因右面颊肿胀 ,进行性鼻塞 5个月。无头痛、恶心、呕吐 ,无视力障碍 ,于 1998年 3月 6日入院 (1995年 1月在本院诊断左侧上颌窦鳞状细胞癌 ,经梨状孔途径行上颌窦内侧壁肿瘤切除术 )。查体 :右侧面颊部隆起 ,张闭口无困难 ,牙齿无松动、颌下淋巴结及颈部淋巴结无异 Male patient, 48 years old Right cheek swelling, progressive nasal obstruction for 5 months. No headache, nausea, vomiting, no visual impairment, admitted to hospital on March 6, 1998 (January 1995 in our hospital diagnosed on the left maxillary sinus squamous cell carcinoma, the perilial approach to the maxillary sinus medial wall tumor resection ). Physical examination: the right cheek bump, Zhang closed mouth no difficulty, no loose teeth, submandibular lymph nodes and neck lymph nodes is no different