双原发恶性肿瘤(亦称双癌或多癌)是指同一宿主的单个或多个器官组织,同时或先后发生两种以上的原发癌而言。1869年Billroth 首次报告了双癌病例。其后随着人们认识的不断深入,国内外均有报道,但发生在口腔面颈部的双癌报道却不多。我科1979年4月至1987年4月共收治了8例,均经病理确诊的口腔面颈部双癌,现报告如下 Dual primary malignant tumors (also referred to as dual or multiple cancers) refer to single or multiple organ tissues of the same host, occurring simultaneously or sequentially with two or more primary cancers. In 1869 Billroth first reported double cancers. Later, as people’s understanding deepened, there were reports both at home and abroad, but there were few reports of double cancers in the face and neck of the mouth. In our department from April 1979 to April 1987, a total of 8 cases were admitted to the hospital and were diagnosed with double oral cancers of the face and neck. The current report is as follows: