New York State Department of Health - Wadsworth Center - Cytohematology Proficiency Testing

Slide 026 [100X]

This slide was taken from a peripheral blood smear made from a 13 year old female being evaluated for allergies. The patient's white cell differential showed 29% eosinophils and platelet satellitosis. The directions stated to identify the cell indicated by the arrow, which is a segmented neutrophil. Although hypersegmentation is a phenomenon and not a cell, this response was also acceptable because the neutrophil contained five lobes.

NUMBER OF RESPONSES	CELL CODE AND TYPE
457	code 47- segmented neutrophil
48	code 30- hypersegmentation

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