Malignant Sertoli Cell Tumor in a Goose (Anser cygnoides domesticus)

This paper describes the pathologic features of a malignant Sertoli cell tumor found in an adult goose (Anser cygnoides domesticus). At necropsy, in addition to one large tumor mass (15 cm in diameter), multiple small tumor masses were observed over the peritoneum and mesenterium in the coelomic cav...

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Bibliographic Details
Published in:Avian diseases 2012-12, Vol.56 (4), p.781-785
Main Authors: Uetsuka, Koji, Suzuki, Takayuki, Doi, Kunio, Nunoya, Tetsuo
Format: Article
Language:English
Subjects:
Animals
Anser cygnoides
Antibodies
Bird Diseases - diagnosis
Bird Diseases - diagnostic imaging
Bird Diseases - pathology
Case Reports
Chickens
Fatal Outcome
Geese
goose
Immunohistochemistry - veterinary
Interstitial cells
Leydig cell tumors
Male
Microscopy, Electron - veterinary
neoplasm
Pigments
Seminoma
Sertoli cell tumor
Sertoli Cell Tumor - diagnosis
Sertoli Cell Tumor - pathology
Sertoli Cell Tumor - ultrastructure
Sertoli Cell Tumor - veterinary
Sertoli cell tumors
Testes
Testicular Neoplasms - diagnosis
Testicular Neoplasms - diagnostic imaging
Testicular Neoplasms - pathology
Testicular Neoplasms - veterinary
testis
Tumors
Ultrasonography
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Summary:This paper describes the pathologic features of a malignant Sertoli cell tumor found in an adult goose (Anser cygnoides domesticus). At necropsy, in addition to one large tumor mass (15 cm in diameter), multiple small tumor masses were observed over the peritoneum and mesenterium in the coelomic cavity. The large tumor mass was composed of sheets, lobules, and small islands of tumor cells, and elongated tumor cells lying perpendicular to fibrous connective tissue were characteristic. Such histopathologic characteristics were common to all the tumors. The tumor cells were immunohistochemically positive for neuron-specific enolase and S-100, and some tumor cells contained fine intracytoplasmic pigments that stained red by oil red O staining. These findings, taken together with the fact that one testis was markedly atrophied and bore no tumor cells and the other testis was not discernible, the present case was diagnosed as unilateral malignant Sertoli cell tumor arising from the unilateral testis. To our knowledge, this is the first report of Sertoli cell tumor in the goose.
ISSN:0005-2086
1938-4351
1938-4351
DOI:10.1637/10214-042012-Case.1