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Ovarian interstitial cell tumor in a South American sea lion (Otaria flavescens)
Biancani, B.; Lacave, G.; Magi, G.; Rossi, G. (2010). Ovarian interstitial cell tumor in a South American sea lion (Otaria flavescens). J. Wildl. Dis. 46(3): 1012-1016
In: Journal of Wildlife Diseases. Wildlife Disease Association: Ames. ISSN 0090-3558; e-ISSN 1943-3700, more
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 291734 [ OMA ]

    Otaria flavescens Shaw, 1800 [WoRMS]
Author keywords
    Interstitial cell tumor; marine mammals; Otaria flavescens; ovary; SouthAmerican sea lion

Authors  Top 
  • Biancani, B.
  • Lacave, G.
  • Magi, G.
  • Rossi, G.

    A case of an ovarian tumor is reported in an 8-yr-old South American sea lion (Otaria flavescens) kept in a marine park in Malta (35.57°N, 14.25°E). The neoplasm was a solid mass of dense sheets and nests of round to polyhedral, irregularly shaped cells with abundant, finely vacuolated cytoplasm. The nuclei were uniformly small and round to oval. The supporting stroma contained thecal cells. The tumor cells were positive for positive inhibin and vimentin and focally positive for cytokeratin by immunohistochemistry. The neoplasm was diagnosed as an ovarian sex cord–stromal tumor, specifically an interstitial cell tumor.

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