肺结核病的诊断，主要依据肺部病变的X线表现和临床疫检抗酸杆菌阳性，但有的肺部病变X线表现易与肺结核病混淆，现将4例报告如下。至病例介绍病例1：女而岁．近来乏力、咳嗽，外院疑为肺转移性肿瘤。入院X线胸片示两肺广泛性絮状边线不规则阴影，病灶大小不等，大者直径1．Zcm The diagnosis of pulmonary tuberculosis, mainly based on the performance of pulmonary X-ray findings and clinical epidemic of acid-fast bacilli positive, but some lung lesions X-ray easily confused with pulmonary tuberculosis, now 4 cases are reported as follows. Case description Case 1: Female and old. Recent fatigue, cough, outside the hospital suspected lung metastatic tumors. Admitted to the X-ray showed extensive bilateral lung flocculent sidelines irregular shadows, lesions ranging in size, the larger the diameter of 1. Zcm