Grey eosinophils in sighthounds : frequency in 3 breeds and comparison of eosinophil counts determined manually and with 2 hematology analyzers

© 2011 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 40(2011), 4 vom: 13. Dez., Seite 475-483
1. Verfasser: Giori, Luca (VerfasserIn)
Weitere Verfasser: Gironi, Sara, Scarpa, Paola, Anselmi, Angelo, Gualtieri, Massimo, Paltrinieri, Saverio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Comparative Study Journal Article Research Support, Non-U.S. Gov't May-Grunwald Giemsa Methylene Blue T42P99266K Eosine Yellowish-(YS) TDQ283MPCW
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245 1 0 |a Grey eosinophils in sighthounds  |b frequency in 3 breeds and comparison of eosinophil counts determined manually and with 2 hematology analyzers 
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500 |a Date Revised 09.05.2017 
500 |a published: Print-Electronic 
500 |a CommentIn: Vet Clin Pathol. 2011 Dec;40(4):405-406. doi: 10.1111/j.1939-165X.2011.00383.x. - PMID 22136470 
500 |a Citation Status MEDLINE 
520 |a © 2011 American Society for Veterinary Clinical Pathology. 
520 |a BACKGROUND: Grey eosinophils (GE) reported to occur in Greyhounds, and occasionally in other breeds, have clear granules, probably due to abnormal staining properties 
520 |a OBJECTIVES: The aims of this study were to investigate the frequency of GE in Greyhounds and 2 other sighthound breeds, and to assess the capacity of the ADVIA 120 and Sysmex XT-2000iV hematology analyzers to correctly identify GE 
520 |a METHODS: Blood samples from 20 Greyhounds, 29 Italian Greyhounds, and 24 Whippets were analyzed using the ADVIA and Sysmex hematology analyzers, and blood smears stained with May-Grünwald Giemsa were evaluated microscopically. The frequency of samples with GE detected on smears was recorded for each breed. Manual and automated eosinophil counts were compared using a Wilcoxon signed-rank test. Agreement between methods was assessed using Passing-Bablok and Bland-Altman plots 
520 |a RESULTS: GE were detected in all 3 breeds: 9/20 Greyhounds (45.0%), 10/29 Italian Greyhounds (34.5%), and 5/24 Whippets (62.5%) with no significant differences in the frequency of GE among the breeds. In samples containing GE, both analyzers underestimated the percentage of eosinophils and occasionally eosinophils were not detected at all. When a novel "GE gate" was used, the percentage of eosinophils reported by the Sysmex was similar to that obtained by manual counting 
520 |a CONCLUSIONS: GE are found in the blood of sighthounds other than Greyhounds. Hematology analyzers may underestimate the percentage of GE, probably due to their abnormal physical or chemical features. Underestimation is slight and usually clinically insignificant, but occasionally eosinophils are completely misclassified. Using the Sysmex analyzer, a GE gate can be designed to normalize the eosinophil count 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a May-Grunwald Giemsa  |2 NLM 
650 7 |a Methylene Blue  |2 NLM 
650 7 |a T42P99266K  |2 NLM 
650 7 |a Eosine Yellowish-(YS)  |2 NLM 
650 7 |a TDQ283MPCW  |2 NLM 
700 1 |a Gironi, Sara  |e verfasserin  |4 aut 
700 1 |a Scarpa, Paola  |e verfasserin  |4 aut 
700 1 |a Anselmi, Angelo  |e verfasserin  |4 aut 
700 1 |a Gualtieri, Massimo  |e verfasserin  |4 aut 
700 1 |a Paltrinieri, Saverio  |e verfasserin  |4 aut 
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