大部分口腔和口咽部鳞癌至少到了T_2期(>2.0cm)才确诊。早期诊断的疏忽及晚期肿瘤的高出现率使口腔、口咽部癌患者预后很差。作者调查了151例口腔和口咽部鳞癌,分析了因患者自身及/或医源性延误的可能,确定这些延误是否与肿瘤诊断时的分期有关,评价了延误和几种因素的关系.患者自身延误的含义是 Most oral and oropharyngeal squamous cell carcinomas were diagnosed at least T 2 (>2.0 cm). The negligence of early diagnosis and the high incidence of advanced tumors make the prognosis of patients with oral and oropharyngeal cancer very poor. The authors investigated 151 cases of oral and oropharyngeal squamous cell carcinoma and analyzed whether the delays were related to the stage of tumor diagnosis due to the possibility of patient’s own and/or iatrogenic delay, and evaluated the relationship between delay and several factors. The meaning of patient’s own delay is