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1 March 2011 Dysgerminoma in an Eastern Rosella (Platycercus eximius eximius)
Anneliese Strunk,, Denise M. Imai,, Anna Osofsky,, Lisa A Tell
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Abstract

This report describes a case of dysgerminoma in a 21-year-old eastern rosella (Platycercus eximius eximius) that presented with dyspnea and a severely distended coelom. The bird was euthanatized, and a large, left-sided coelomic mass was identified. Microscopically, the mass was composed of sheets and nests of round to polygonal neoplastic cells with lacy cytoplasm. The neoplastic cells were weakly positive for vimentin and c-kit but negative for pancytokeratin, AE1, and inhibin. On the basis of the histomorphology and immunoreactivity, the neoplasm was determined to be a dysgerminoma. The variability of histologic appearance and immunohistochemical staining of dysgerminomas in humans compared with veterinary species is discussed.

American Association of Avian Pathologists
Anneliese Strunk,, Denise M. Imai,, Anna Osofsky,, and Lisa A Tell "Dysgerminoma in an Eastern Rosella (Platycercus eximius eximius)," Avian Diseases 55(1), 133-138, (1 March 2011). https://doi.org/10.1637/9502-081510-Case.1
Received: 23 August 2010; Accepted: 1 September 2010; Published: 1 March 2011
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