Mixed Phenotype Acute Leukemia, T/Megakaryocytic

**Semantic type:** Neoplastic Process

**Definition:** A very rare mixed phenotype acute leukemia in which the blasts show evidence of T-cell and megakaryocytic lineage but are negative for KMT2A rearrangement and t(9;22)(q34;q11.2) translocation.

**Synonyms:** - MPAL-T/Mk