Radiologic and clinical observation of tuberculous cavity in initial treatment

Tuberculous cavity is important in diagnosis and observation in the course of pulmonary tuberculosis. Authoranalyzed the radiologic findings of cavity and average months of negative conversion in AFB culture in 89 cases ofinitial treatment. The results were as follows: 1. The more number of cavities, the longer period in negativeconversion of AFB culture. 2. No relation between sums of diameter and thickeness of cavity and average months ofnegative conversion in AFB cultlure. 3. In the cases of cavity with air-fluid level took longer period in negativeconversion of AFB culture than those of cavity without air-fluid level, significantly. 4. No relation betweenradiologic findings of cavity and results of chemotherapy for pulmonary tuberculosis.