[Immunologic parameters in lung tuberculosis].

In patients with pulmonary tuberculosis serum immunoglobulin levels are found to be increased, quantitative deviations from the norm are observed on analysis of the mononuclear cells, there is an increase in the number of circulating immune complexes, and, in the event of extensive pulmonary involvement, an attenuation of cell-mediated cutaneous reactions is seen. In accordance with the chronic course of the disease, a return to normalcy of these parameters in the healing phase occurs only gradually.