[Surveillance of case findings of pulmonary tuberculosis].

As a result of the changing epidemic situation of tuberculosis, collective chest fluoroscopy as a method to detect pulmonary tuberculosis is becoming increasingly inadequate, and "symptom-dependent case finding" should be taken as the chief means for detection of the disease in our district. However, in collective units with high detected rates and in populations of high prevalence or in combination with general survey of lung cancer, regular fluoroscopic chest examination is an important route to discover patients with pulmonary tuberculosis.