Korean J Vet Res.  2017 Dec;57(4):257-260. 10.14405/kjvr.2017.57.4.257.

Amyloidosis in a Whooper swan (Cygnus cygnus)

Affiliations
  • 1Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea. daeyong@snu.ac.kr
  • 2Everland Zoological Garden, Samsung Construction and Trading, Yongin 17023, Korea.

Abstract

Two Whooper swan (Cygnus cygnus) died after suffering from pododermatitis, lethargy, and ataxia; necropsy was performed. Grossly, the liver was swollen and firm. The kidney and spleen were also enlarged and a pale tan color. On histopathologic examination with Congo red staining, amyloidosis was noted in liver, spleen, and kidney. In addition, marked osseous metaplasia was present in the liver. Based on these results, systemic amyloidosis involving liver, spleen, and kidney with osseous metaplasia in the liver was diagnosed. Study results indicate that an inflammatory reaction associated with pododermatitis had a role in the amyloidosis in this particular case.

Keyword

Whooper swan; amyloidosis; osseous metaplasia

MeSH Terms

Amyloidosis*
Ataxia
Congo Red
Kidney
Lethargy
Liver
Metaplasia
Spleen
Triacetoneamine-N-Oxyl
Congo Red
Triacetoneamine-N-Oxyl
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