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本文收集20例60岁以上老年肺结核的患者的胸片与青年肺结核胸片进行了X线征象对比分析，发现老年肺结该有如下特点：（1）病变范围广泛．多双侧发病：（2）病变以干酪坏死为三，易形成空洞：（3）常合并非结核性病变；（4）受检者痰菌阳性率较高。由于老年人免疫机能减退及时吸
In this paper, 20 cases of elderly patients over the age of 60 tuberculosis chest X-ray and young patients with pulmonary tuberculosis comparative analysis showed that the elderly pulmonary tuberculosis have the following characteristics: (1) a wide range of lesions. Multiple bilateral disease: (2) lesions to cheese necrosis as three, easy to form a hollow: (3) often combined with non-tuberculous lesions; (4) the subjects sputum positive rate higher. As the elderly immune dysfunction timely absorption