Microgranular Acute Promyelocytic Leukemia

**Semantic type:** Neoplastic Process

**Definition:** Acute promyelocytic leukemia in which the promyelocytes in the peripheral blood have paucity or absence of cytoplasmic granules and characteristic bilobed nuclei.

**Synonyms:** - Hypogranular Acute Promyelocytic Leukemia - M3 Variant - M3v