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Juvenile renal disease in golden retrievers: 12 cases (1984-1994)
H S de Morais1, S P DiBartola, D J Chew
1Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Ohio State University, Columbus 43210, USA.
Objective:
To evaluate clinical and pathologic findings in Golden Retrievers with renal dysplasia.
Design:
Retrospective study.
Animals:
12 young Golden Retrievers with chronic renal disease.
Procedure:
Medical records of affected dogs were evaluated on the basis of clinical findings, laboratory test results, and histologic findings.
Results:
Common clinical findings were vomiting, anorexia, weight loss, polydipsia, and polyuria. Common laboratory findings were azotemia, hyperphosphatemia, hypercholesterolemia, isosthenuria, proteinuria, hypercalcemia, and nonregenerative anemia. Many affected dogs also had urinary tract infections, and some were hypertensive. Renal lesions consisted of moderate-to-severe interstitial fibrosis and mild-to-moderate lymphoplasmacytic interstitial inflammation. Cystic glomerular atrophy and periglomerular fibrosis were prominent features in most affected dogs. Fetal lobulation of glomeruli, adenomatoid hyperplasia of collecting tubule epithelium, and primitive mesenchymal connective tissue were histologic features suggestive of renal dysplasia.
Clinical Implications:
Renal dysplasia should be suspected in Golden Retrievers < 3 years old with clinical findings and laboratory results indicative of renal disease.