本文的目的是研究淋巴结转移对口腔鳞癌患者预后的影响。 患者和方法 回顾1980～1992年137例晚期口腔鳞癌(T_4),男127例,女10例,年龄31～81岁(平均56岁)。病变中114例位于舌体及口底,18例位于磨牙后区,3例位于颊内侧,2例为牙龈原发癌。137例均有下颌骨受累,20例有皮肤受侵。所有病例均行部分或边缘性下颌骨切除术,其中103例为 The purpose of this paper is to investigate the impact of lymph node metastasis on the prognosis of patients with oral squamous cell carcinoma. Patients and Methods A total of 137 patients with advanced oral squamous cell carcinoma (T_4) from 1980 to 1992 were retrospectively reviewed. There were 127 males and 10 females, aged 31-81 years (average 56 years). In the lesion, 114 cases were located in the tongue and the mouth, 18 cases were located in the posterior molars, 3 cases were located in the buccal side, and 2 cases were primary gingival carcinomas. There were mandibular involvement in 137 cases and skin invasion in 20 cases. All cases underwent partial or marginal mandibular resection, of which 103 cases were