无名动脉扭曲在日常工作中并非罕见，但由于其Ｘ线表现颇似纵隔肿瘤，我科就曾有２例误提示为纵隔肿瘤，故其Ｘ线特征及其与纵隔病变的鉴别诊断应引起足够重视作者近年来收集了６６例无名动脉扭曲病例，现介绍如下：１一般资料本文６６例，男３４例，女３２例年龄４９ａ７２ｇ Anonymous arterial distortions in the daily work is not uncommon, but because of its X-ray performance is quite like mediastinal tumors, our department had two cases of misdiagnosis of mediastinal tumors, so its X-ray features and differential diagnosis of mediastinal lesions should be sufficient Emphasis on the author in recent years collected 66 cases of unnamed artery distortion, are as follows: 1 General Information 66 cases of this article, 34 males and 32 females, age 49a72g