Table 1. Histochemical Staining Patternsa
| | M0 | AML, APL (M1-M3) | AMML (M4) | AMoL (M5) | AEL (M6) | AMKL (M7) | ALL |
| Myeloperoxidase | - | + | + | - | - | - | - |
| Nonspecific esterases | | | | | | | |
| Chloracetate | - | + | + | ± | - | - | - |
| Alpha-naphthol acetate | - | - | + b | + b | - | ± b | - |
| Sudan Black B | - | + | + | - | - | - | - |
| PAS | - | - | ± | ± | + | - | + |
| AEL = acute erythroid leukemia; ALL = acute lymphoblastic leukemia; AML = acute myeloid leukemia; AMKL = acute megakaryocytic leukemia; AMML = acute myelomonocytic leukemia; AMoL = acute monocytic leukemia; APL = acute promyelocytic leukemia; PAS = periodic acid-Schiff. |
| aRefer to the French-American-British (FAB) Classification for Childhood Acute Myeloid Leukemia section of this summary for more information about the morphologic-histochemical classification system for AML. |
| bThese reactions are inhibited by fluoride. |
