Canine peritoneal fluid analysis results were retrospectively reviewed to assess the appropriateness of different classification schemes. Cutoffs of 3000 cells/μL and 2.5 g/dL protein are recommended. Analyzing the total nucleated cell count and total protein concentration is only the first step in peritoneal fluid analysis; microscopic examination, clinical presentation, and other laboratory data are all important in determining the final classification of peritoneal fluid analysis, keeping in mind that the most important aspect of fluid analysis is not what something is called, but whether it helps achieve a diagnosis. Discussion of effusion mechanisms, study observations, and recommended diagnostic steps after fluid analysis are included.
Keywords: Canine peritoneal fluid analysis; Effusion criteria; Exudate; Transudate.
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