Posted on December 5th, 2001 by

A group of disorders characterized by abnormal proliferation by one or more types of marrow cells. Four disorders are generally included in this category: polycythemia vera (PV), myelofibrosis, chronic myelomonocytic leukemia (CMML), and primary thrombocythemia. Most commonly seen in people over 50 years of age.

Tags: Cancer Dictionary, M, Uncategorized

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