What are the WHO classifications of mastocytosis?

Updated: Jun 07, 2018
  • Author: Jacquiline Habashy, DO, MSc; Chief Editor: Dirk M Elston, MD  more...
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Answer

The World Health Organization (WHO) classification of mastocytosis includes the following [1, 2] :

  • Cutaneous mastocytosis - Urticaria pigmentosa, maculopapular cutaneous mastocytosis, diffuse cutaneous mastocytosis, mastocytoma of skin

  • Indolent systemic mastocytosis

  • Systemic mastocytosis with an associated (clonal) hematologic non–mast cell lineage disease

  • Aggressive systemic mastocytosis

  • Mast cell leukemia

  • Mast cell sarcoma

  • Extracutaneous mastocytoma [1, 2]


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