[Primary non-Hodgkin lymphomas of the central nervous system].

Primary non-Hodgkin's lymphomas (NHL) of the central nervous system are rare brain tumours developing independently of or secondary to disorders of the immune system. In the following review the diagnostic repertoire and various therapeutic modalities are discussed. According to data reported in the literature the therapeutic approach of choice is cranial irradiation with 50 Gy. A positive effect may be expected from additional chemotherapy.