Leukemia, Myelomonocytic, Acute

**Definition:** A pediatric acute myeloid leukemia involving both myeloid and monocytoid precursors. At least 20% of non-erythroid cells are of monocytic origin.

**Tree numbers:** - C04.557.337.539.520 - C15.378.508.539.520

**Synonyms:** - Myelomonocytic Leukemia, Acute - Leukemia, Myeloid, Acute, M4 - Myeloid Leukemia, Acute, M4 - Leukemia, Myeloid, Naegeli-Type - Myeloid Leukemia, Naegeli-Type