[Reversibility of the development of malignant lymphoma with 7-years of leukemization, associated with the development of chronic myeloleukemia].

A case of typical Ph-positive chronic myelogenous leukemia developed in a 58-year old female with a 7-year history of chronic lymphoproliferative disease is described. With the second disease progression, the features of lymphoid proliferation disappeared almost completely. Possible causes of this rare combination of two diseases are discussed.