Ken's Notes

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Acute Monocytic Leukemia

Epidemiology and Etiology:

Common sites:

Gross features:

Histologic features:

Immature monocyte (monoblast, promonocyte)

Size 15-25um
N:C ratio 7:1 to 3:1
Round to indented nucleus
Lacy, reticular chromatin
1-2 nucleoli
gray to cloudy blue cytoplasm

relatively more cytoplasm than other blast forms
vacuoles may be present in cytoplasm
few red granules may be present

Immunophenotype:

Marker:	Sensitivity:	Specificity:

Molecular features:

Other features:

References:

CAP; Color Atlas of Hematology; 1998