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Ann Lab Med. 2013 Jan;33(1):1-7. doi: 10.3343/alm.2013.33.1.1. Epub 2012 Dec 17.

Purpose and criteria for blood smear scan, blood smear examination, and blood smear review.

Author information

1
Department of Pathology, Anatomy, and Cell Biology, Jefferson Medical College and Thomas Jefferson University Hospital, Philadelphia, PA 19107, USA. gene.gulati@jefferson.edu

Abstract

A microscopic examination of an appropriately prepared and well-stained blood smear by a knowledgeable laboratory professional is necessary and clinically useful in a number of circumstances and for a variety of reasons. In this article, an attempt is made to delineate the purpose and criteria for blood smear examination in a variety of circumstances that are encountered in everyday laboratory hematology practice. A blood smear scan serves to at least (a) verify the flagged automated hematology results and (b) determine if a manual differential leukocyte count needs to be performed. Blood smear examination/manual differential leukocyte count with complete blood count (CBC) provides the complete hematologic picture of the case, at least from the morphologic standpoint. Blood smear review with or without interpretation serves to ensure that no clinically significant finding is missed, besides providing diagnosis or diagnostic clue(s), particularly if and when interpreted by a physician.

KEYWORDS:

Blood smear examination; Blood smear review; Blood smear scan

PMID:
23301216
PMCID:
PMC3535191
DOI:
10.3343/alm.2013.33.1.1
[Indexed for MEDLINE]
Free PMC Article
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