Esterase Stains

X.B.001 Acute Monocytic Leukemia


Acute monocytic leukemia. Double esterase stain. Marrow film. Leukemic monocytic cells, the dominant cell population, stain with gray-black color. Two admixed immature neutrophils stain with reddish-brown color. Double esterase combines two substrates: naphthol AS-D chloracetate that reacts with primary granules in the neutrophilic series and α-naphthyl butyrate that stains material in the endoplasmic reticulum of cells in the monocytic lineage.

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Jun 12, 2016 | Posted by in HEMATOLOGY | Comments Off on Esterase Stains
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