Mast Cell Leukemia with an Associated Myeloid Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** Mast cell leukemia associated with another clonal non-mast cell myeloid neoplasm (e.g., myelodysplastic syndrome, myeloproliferative neoplasm, and acute myeloid leukemia).

**Synonyms:** - Mast Cell Leukemia Associated with Another Hematologic Neoplasm