Dysgerminoma in an eastern rosella (Platycercus eximius eximius) |
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| Authors: | Strunk Anneliese Imai Denise M Osofsky Anna Tell Lisa A |
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| Institution: | Research Boulevard Pet and Bird Hospital, 11679 Research Boulevard, Austin, TX 78757, USA. anneliesevet@yahoo.com |
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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. |
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