当前临床診断肺結核空洞的有无,主要依靠X线检查,而在各种X线检查方法中又以断层片的效用較好,此点早为国内外諸同道所公认。可是作为常規检查的X线平片,其对空洞的检出率与誤診原因究竟如何,則国内尚缺少专文报告。現将經断层片証实有空洞的333例 The current clinical diagnosis of pulmonary tuberculosis is empty, mainly rely on X-ray examination, and in a variety of X-ray examination method and slice to the utility of better, this point has long been recognized by all kinds of domestic and foreign fellow. However, as a routine examination of X-ray, its cavity detection rate and misdiagnosis of the reason, then the lack of special reports. Now confirmed by the vascularized 333 cases