[Myeloproliferative syndrome].

In the present paper a description of the notion of the myeloproliferative syndrome and a survey of the clinical pictures belonging to this is given. Here the author enters into the most important diseases, such as polycythaemia rubra vera, osteomyelofibrosis, osteomyelosclerosis and megakaryocytic leukaemia, concerning diagnostics and therapy. On the basis of literature a comphrensive discussion of the problem is give, whereby it is referred to the fact that a differential diagnosis as eact as possible is necessary for the performance of an aimed therapy.