[Determination of B and T lymphocytes in bronchoalveolar lavage and peripheral blood of patients with active sarcoidosis].

The total number of cells, alveolar lymphocytes as well as T lymphocytes is increased in BAL in patients with active sarcoidosis (acute phase and relapse) with disturbed relation T4-T8 subpopulation. T lymphocytes are significantly decreased in peripheral blood of patients with active sarcoidosis, while B lymphocytes are also decreased but without evident significance in relation to normal values.