[Immunologic investigations in tuberculosis and chemotherapy (author's transl)]

The influence of tuberculosis and chemotherapy of tuberculosis on the immunologic investigations was proved on 136 patients with tuberculosis and some cases with sarcoidosis, over a period of several months. The immunologic investigations should contribute towards the differential diagnosis of tuberculosis. A general control group was established and also followed up for several months. The diagnostic value of the immunologic investigations seems of little importance for the tuberculosis, the chemo-therapy of tuberculosis does not influence the immunologic situation. The relative frequent appearance of antibodies against cell nuclei and the plain muscles shows that in clinically similar cases we must be careful with the diagnosis of collagen diseases or lupus erythematodes.