Medical Definition of Histiocytosis, malignant

  • Medical Author:
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

Histiocytosis, malignant: A term sometimes used to refer to a group of tumors including monocyte-related leukemias (for example, acute monocytic leukemia, acute myelomonocytic leukemia), extramedullary monocytic tumor, and histiocytic sarcoma. Treatment is by radiation and chemotherapy, and in some cases bone-marrow transplantation.

See also histiocytosis.

Reviewed on 9/7/2018

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