[Diagnostic difficulties in patients with primary lung cancer and pulmonary tuberculosis].

An analysis of medical records of 774 patients treated at the Chest Hospital of the Ministry of Interior Affairs in Otwock during the years 1976-1985. 33 (4.3%) patients were selected for the study. All had a history of pulmonary tuberculosis. Only in 3 was the process active. In all development of lung cancer proved to be a grave diagnostical dilemma. In all cases a relapse of the pulmonary tuberculosis was suspected. The authors discuss six cases illustrating the diagnostical problems.