Comparison between linear smear concentration and cytocentrifugation techniques to evaluate equine bronchoalveolar lavage cytology
Keywords:Horse, Bronchoalveolar lavage, Cytocentrifugation, Linear smear
AbstractThe bronchoalveolar lavage (BAL) is a sensitive method to diagnose diseases of the distal portion of the lower respiratory tract and has been broadly used by numerous researchers. Cytocentrifugation is the choice cytological preparation technique, but demands specific and costly equipment. Therefore, the present paper intends to verify the applicability of the linear smear technique to evaluate BAL samples. For this, BAL samples of 30 equines were used and the cytological preparations were done by cytocentrifugation and linear smear techniques. All glass microscope slides were fixed and stained with Giemsa for the differential cell count. Regarding the effect of the preparation technique on differential counts, no significant difference in any cell type was found. The linear smear is a reliable alternative and can be recommended as a substitution to cytocentrifugation.
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