基底细胞癌是一种多发于皮肤 ,生长缓慢 ,很少发生区域淋巴转移的低度恶性肿瘤[1] ,发生在口腔黏膜的基底细胞癌罕见报道。我院收治 1例口底黏膜基底细胞癌病例 ,肿瘤生长迅速且伴有颌下、颈部多发性淋巴结转移 ,报道如下 :许某 ,男 ,40岁。因口底溃疡 6个月 ,左颈部肿块迅速增 Basal cell carcinoma is a low-grade malignant tumor that occurs frequently in the skin, slow in growth and rarely occurs in regional lymphatic metastasis [1]. Basal cell carcinomas in the oral mucosa are rarely reported. In our hospital, 1 case of mucosal basal cell carcinoma at the mouth mucosa was treated with rapid tumor growth accompanied by multiple submandibular and cervical lymph node metastases, reported as follows: Xu, male, 40 years old. 6 months due to mouth ulcers, rapid increase of left neck mass