NCI Definition: A variant of systemic mastocytosis with involvement of the bone marrow (20% or more mast cells) and the peripheral blood (mast cells account for 10% or more of peripheral blood white cells). (WHO, 2001) [1]

Significant Genes in Mast Cell Leukemia

FLT3 +

Disease Details

Malignant Mastocytosis
OncoTree Name
Mast Cell Leukemia
OncoTree Code


1. National Cancer Institute. NCI Thesaurus Version 18.11d. https://ncit.nci.nih.gov/ncitbrowser/ [2018-08-28]. [2018-09-21].

2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 4. This dataset does not represent the totality of the genetic landscape; see paper for more information.

3. All assertions and clinical trial landscape data are curated from primary sources. You can read more about the curation process here.