Applications of ultrasonography in the diagnosis of parenchymal kidney disease in cats: 24 cases (1981-1986).

P. A. Walter, G. R. Johnston, Daniel A Feeney, Timothy D O'Brien

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Abstract

Renal sonograms from 24 cats with confirmed parenchymal kidney disease and from 1 cat with radiographic and palpable evidence of renal enlargement (but without identifiable histologic abnormalities) were evaluated to describe the ultrasonographic appearance of feline renal diseases and to determine the role of ultrasonographic examination in the clinical evaluation of these cases. In all cats with radiographic evidence of abnormal renal size or contour and when poor intraabdominal radiographic contrast precluded visualization of the kidneys, ultrasonography provided complementary information pertaining to location (cortical/medullary), extent, and distribution (focal/multifocal/diffuse) of disease. Ultrasonography also characterized these lesions as cystic (cavitating) or solid. The echo patterns were most specific for renal cysts. Infiltrative diseases did not have consistent patterns. Multifocal hypoechoic nodules, diffuse cortical hyper-echogenicity, and normal-appearing parenchyma were identified. In these instances, however, ultrasonography did define the extent of disease and narrowed the spectrum of differential considerations.

Original languageEnglish (US)
Pages (from-to)92-98
Number of pages7
JournalJournal of the American Veterinary Medical Association
Volume192
Issue number1
StatePublished - Jan 1 1988

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