[Bone marrow cytology in diseases of autoimmune pathogenesis in childhood and its changes during therapy with anti-human lymphocyte globulin (AHLG)].

Among the organs of the immune system the bone marrow is comparably simple accessible. Autoimmune diseases are characterized by reactive cytomorphological symptoms. Due to own investigations the granulo-erythropoietic index (G/E-index Rohr) as a parameter of inflammatory activity as well as the amount of plasma cells as an indication of humoral reactivity are described--before and under treatment with anti-human lymphocyte globulin.