[Tumorous diseases of the lymphatic system (in 2 parts)]

Diagnostic approaches in the management of Hodgkin's Disease and Non Hodgkin Lymphomas are discussed. The importance of recent histological classifications in Non Hodgkin Lymphomas is emphasized particularly with respect to the differentiation between lymphomas of "low grade" and "high grade" malignancy. Complication in the course of treatment in these patients are reviewed and the therapeutic implications of particular organ involvement are summarized.