GIOVANNI CAPUZZELLO Giovanni.Capuzzello@nottingham.ac.uk
Clinical Assistant Professor in Farm Animal Health and Welfare
A case of renal amyloidosis associated with udder cleft dermatitis in an adult dairy cow
Capuzzello, Giovanni; Nicola, Isabella; Gray, Alexander
Authors
Isabella Nicola
Alexander Gray
Abstract
Amyloidosis is a group of disorders characterised by the injurious deposition of abnormal proteins in tissues. Most common in cattle and other animals is secondary or reactive systemic amyloidosis associated with chronic inflammation, resulting in dep-osition of acute-phase serum amyloid A (SAA) in organs like the kidneys, liver, and spleen. While chronic diseases like mastitis, metritis and pododermatitis are usually the most common diseases identified as inflammatory sources, any persistent inflammation can trigger this disorder. Cattle affected by amyloidosis often exhibit symptoms like weight loss and kidney dysfunction. Here we present the case of a five-year-old Holstein Friesian referred to the University of Glasgow for weight loss and chronic diarrhoea. Clinical examination revealed low body condition score, watery diarrhoea, mild dehydration (5%), mild submandibular oedema, left renomegaly, and udder cleft dermatitis. Biochemistry and urine analysis indicated hypoalbuminemia with normal globulin levels and marked proteinuria. Given the poor prognosis, the animal was euthanised on welfare grounds. Gross post-mortem findings suggested a diagnosis of secondary amyloidosis, and histopathology confirmed SAA deposition in the glomeruli and renal medullary interstitium. In the absence of another grossly appreciable chronic inflammatory focus/ foci the udder cleft dermatitis was considered the likely contributing comorbidity.
Journal Article Type | Article |
---|---|
Acceptance Date | May 27, 2024 |
Online Publication Date | Jun 16, 2024 |
Publication Date | Jun 16, 2024 |
Deposit Date | Jul 9, 2024 |
Publicly Available Date | Jul 16, 2024 |
Journal | Large Animal Review |
Print ISSN | 1124-4593 |
Electronic ISSN | 1124-4593 |
Peer Reviewed | Peer Reviewed |
Volume | 30 |
Issue | 3 |
Pages | 145-149 |
Keywords | Bovine; renal disease; amyloidosis; chronic inflammation; udder cleft dermatitis |
Public URL | https://nottingham-repository.worktribe.com/output/36862108 |
Publisher URL | https://www.largeanimalreview.com/index.php/lar/article/view/820 |
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