肺结核的好发部位多在两肺的上、中野。肺下野结核空洞较为少见，易被误诊为其他肺部疾病，以致延误治疗。为提高对本病的诊治水平，现将本所1982～1993年来门诊登记的4083例肺结核病例中诊为肺下野空洞的50例临床及X线表现分析如下。1临床资料1．1病例选择标准①确诊为肺结核 Tuberculosis of the predilection sites in the two lungs, Nakano. Lower lung tuberculosis holes are rare and easily misdiagnosed as other lung diseases, resulting in delay in treatment. In order to improve the diagnosis and treatment of this disease, the clinical and X-ray findings of 50 cases diagnosed as pulmonary empty holes in the 4083 pulmonary tuberculosis cases registered by our clinic from 1982 to 1993 are as follows. 1 clinical data 1.1 case selection criteria ① confirmed as tuberculosis