Promyelocyte

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Promyelocyte

#00060399

Author: Teresa Scordino MD
Category: Morphologic variants of normal cells > Morphologic variants of white blood cells
Published Date: 02/17/2016

Promyelocytes are larger than myeloblasts, and have basophilic cytoplasm containing primary (azurophilic) granules. A Golgi zone may be visible as a paranuclear hof or clearing. The nuclear chromatin is finely dispersed, and nucleoli may be visible. Promyelocytes comprise approximately 2% of nucleated cells in the bone marrow and do not circulate in peripheral blood under normal conditions.

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