老年人肺结核在某些方面与其他年龄组有所不同,现将临床特点和治疗分述如下。(一)临床特点:1.老年肺结核几乎总是早年肺结核的重新活动,这是因老年人免疫机能及抵抗力均减低之故; Elderly tuberculosis in some ways and other age groups are different, now the clinical features and treatment are as follows. (A) of the clinical features: 1. Elderly tuberculosis is almost always the re-activity of tuberculosis in early years, which is due to the elderly immune function and immunity are reduced;