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Mesothelioma in horses

Colbourne, C.M., Bolton, J.R., Mills, J.N., Whitaker, D., Yovich, J.V. and Howell, J.Mc.C. (1992) Mesothelioma in horses. Australian Veterinary Journal, 69 (11). pp. 275-278.

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Pleural mesothelioma and pericardial mesothelioma with spread to the pleural cavity were diagnosed in 2 horses. Clinical signs included respiratory distress, depression and pleural pain. The affected body cavities contained copious, serous effusions containing very large neoplastic mesothelial cells with densely-staining cytoplasm, hyperchromic nuclei and prominent, often multiple, nucleoli. Ultrastructurally, the neoplastic cells appeared as solid aggregates, with profuse microvillous borders and neolumen formation. Cytological examination, together with confirmative ancillary diagnostic tests, including electron microscopy and immunocytochemistry, may be used to obtain an ante-mortem diagnosis of mesothelioma.

Publication Type: Journal Article
Murdoch Affiliation: School of Veterinary Studies
Publisher: Wiley-Blackwell
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