Appearance of granulated cells in blood films stained by automated aqueous versus methanolic Romanowsky methods

BACKGROUND: Romanowsky stains are used routinely by veterinary clinical pathology laboratories for cytologic and blood film evaluations. Automated stainers are available for both aqueous and methanolic Romanowsky stains. Mast cell granules and canine distemper virus inclusions are known to stain dif...

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Veröffentlicht in:Veterinary clinical pathology. - 1975. - 39(2010), 1 vom: 01. März, Seite 99-104
1. Verfasser: Allison, Robin W (VerfasserIn)
Weitere Verfasser: Velguth, Karen E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Journal Article
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245 1 0 |a Appearance of granulated cells in blood films stained by automated aqueous versus methanolic Romanowsky methods 
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500 |a Citation Status MEDLINE 
520 |a BACKGROUND: Romanowsky stains are used routinely by veterinary clinical pathology laboratories for cytologic and blood film evaluations. Automated stainers are available for both aqueous and methanolic Romanowsky stains. Mast cell granules and canine distemper virus inclusions are known to stain differently by these 2 methods, but we have noticed differences in the staining characteristics of other granulated cells 
520 |a OBJECTIVE: The aim of this study was to investigate and document the variable appearance of basophils and large granular lymphocytes in blood films stained using aqueous and methanolic Romanowsky methods 
520 |a METHODS: Cytologic preparations from 1 canine mast cell tumor and blood films from 8 dogs, 1 cat, 1 rabbit, and 1 ostrich were stained using an automated aqueous stain (Aerospray 7120, with and without a predip fixative) and an automated methanolic stain (Hematek). Staining quality and intensity of the cytoplasmic granules in mast cells, basophils, and large granular lymphocytes was evaluated subjectively 
520 |a RESULTS: Cytoplasmic granules of mast cells, basophils, and large granular lymphocytes stained poorly or not at all with the automated aqueous stain but stained prominently and were readily identified with the automated methanolic stain. Use of the predip fixative with the Aerospray method improved the visibility of basophil granules but not mast cell granules, and had a variable affect on the visibility of granules in large granular lymphocytes 
520 |a CONCLUSION: Clinical pathologists should be aware of the staining methodology used on the slides they evaluate to avoid incorrect interpretation of granulated cell populations 
650 4 |a Journal Article 
700 1 |a Velguth, Karen E  |e verfasserin  |4 aut 
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