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  • Author or Editor: Carolyn Gara-Boivin x
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in Journal of the American Veterinary Medical Association

Abstract

OBJECTIVE To assess the urinary protein-to-creatinine ratio (UPCR) of healthy sexually intact male dogs and to compare the UPCR of these dogs before and after castration.

ANIMALS 19 client- or shelter-owned healthy adult sexually intact male dogs.

PROCEDURES Physical, hematologic, and biochemical examinations and urinalysis (including calculation of the UPCR) were performed on each dog. Dogs were then castrated, and physical examination and urinalysis (including calculation of the UPCR) were performed again at least 15 days after castration.

RESULTS A dipstick test yielded positive results for protein in the urine of 10 sexually intact male dogs, but the UPCR was < 0.5 for all sexually intact male dogs. Mean UPCR for sexually intact male dogs was 0.12 (range, 0.10 to 0.32). The UPCR was < 0.2 for all castrated dogs, except for 1. Mean UPCR for all castrated dogs was 0.08 (range, 0.05 to 0.69). There was a significant difference between mean UPCR before and after castration.

CONCLUSIONS AND CLINICAL RELEVANCE In this study, pathological proteinuria was not detected in sexually intact male dogs. Positive results for a urine dipstick test should be interpreted with caution in sexually intact male dogs and should be confirmed by assessment of the UPCR. An increased UPCR in sexually intact male dogs may be considered abnormal.

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in American Journal of Veterinary Research

Abstract

OBJECTIVE To assess the prevalences of anemia and various RBC anomalies in dogs with lymphoma versus inflammatory bowel disease (IBD) and to evaluate potential relationships between these variables and the severity of lymphoma.

DESIGN Retrospective cross-sectional study.

ANIMALS 82 client-owned dogs.

PROCEDURES Medical records and blood smears were reviewed for dogs in which IBD or lymphoma had been diagnosed between January 1, 2006, and December 31, 2014, and for healthy dogs evaluated during that time frame. Hematologic data were analyzed, and results were compared among groups of healthy dogs, dogs with IBD, and dogs with lymphoma. Results were also compared within the lymphoma group between dogs further grouped on the basis of lymphoma clinical stage, substage, and cell size.

RESULTS Prevalence of anemia was significantly higher in dogs with lymphoma (17/32 [53%]) than in dogs with IBD (5/23 [22%]). The total number of different RBC anomalies was significantly higher in dogs with lymphoma than in dogs that were healthy or had IBD. A cutoff of 3 different RBC anomalies/dog enabled differentiation between lymphoma and IBD, with a sensitivity and specificity of 71% and 70%, respectively (area under the fitted curve, 0.7239 ± 0.0727). The presence of eccentrocytes was the only individual RBC anomaly significantly more common in dogs with lymphoma (8/28 [29%]) versus dogs with IBD (1/23 [4%]).

CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that detection of anemia combined with ≥ 3 RBC morphological anomalies, particularly eccentrocytes, on blood smears should increase the clinical suspicion of lymphoma, compared with IBD, in dogs.

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in Journal of the American Veterinary Medical Association
in Journal of the American Veterinary Medical Association