鼻咽癌是我国南方常见的恶性肿瘤。据统计占全身恶性肿瘤的31.43％,占头颈部恶性肿瘤的78.41％。由于鼻咽癌原发在深而隐蔽的鼻咽区域,绝大多数早期症状不明显,临床表现各异,常易误诊或漏诊,影响疗效和预后。为了总结和探讨本病的临床延误诊断的原因和教训,笔者收集了自1974年至1985年8月在临床上遇到的并有资料记载的延误诊断鼻咽癌58例,报告如下: Nasopharyngeal carcinoma is a common malignancy in southern China. According to statistics, it accounts for 31.43% of all malignant tumors and 78.41% of head and neck cancers. Because nasopharyngeal carcinoma is mainly in the deep and hidden region of the nasopharyngeal, most of the early symptoms are not obvious, the clinical manifestations are different, often misdiagnosed or missed diagnosis, affecting the efficacy and prognosis. In order to summarize and discuss the causes and lessons of the clinical delay diagnosis of this disease, the author collected 58 cases of nasopharyngeal carcinoma diagnosed clinically and documented delays from 1974 to August 1985, the report is as follows: