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Gross and hisopathological characteristics of two lipomas and a neurofibrosarcoma detected in aquacultured southern bluefin tuna, Thunnus maccoyii (Castelnau), in South Australia

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Johnston, CJ and Deveney, MR and Bayly, T and Nowak, BF (2008) Gross and hisopathological characteristics of two lipomas and a neurofibrosarcoma detected in aquacultured southern bluefin tuna, Thunnus maccoyii (Castelnau), in South Australia. Journal of Fish Diseases, 31 (4). pp. 241-247. ISSN 0140-7775

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Abstract

Abstract
Three visible lesions were examined from two
specimens of southern bluefin tuna. The lesions
were examined grossly and two were identified as
lipomas, the third bore similarities to a schwannoma.
Histopathology confirmed that two consisted
of mature adipocytes consistent with a
diagnosis of lipoma. The third lesion consisted of
spindle cells in Antoni A and B patterns and was
tentatively diagnosed as a malignant schwannoma.
Immunohistochemistry identified both S100 and
glial fibrillary acid protein expression within the
lesion, which, together with the histopathological
appearance, is consistent with a diagnosis of
neurofibrosarcoma.
Keywords: immunohistochemistry, lipoma, neoplasm,
neurofibrosarcoma, schwannoma, tuna.

Item Type: Article
Journal or Publication Title: Journal of Fish Diseases
Page Range: pp. 241-247
ISSN: 0140-7775
Identification Number - DOI: 10.1111/j.1365-2761.2007.00863.x
Additional Information:

The definitive version is available at www.blackwell-synergy.com

Date Deposited: 06 Jun 2008 05:32
Last Modified: 18 Nov 2014 03:42
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