Multiple intra-abdominal serosal myxosarcomas in two koalas (Phascolarctos cinereus)

Astudillo, V. Gonzalez, Schaffer-White, A., Allavena, R. and Palmieri, C. (2015) Multiple intra-abdominal serosal myxosarcomas in two koalas (Phascolarctos cinereus). Journal of Comparative Pathology, 152 2-3: 283-286. doi:10.1016/j.jcpa.2015.01.004

Author Astudillo, V. Gonzalez
Schaffer-White, A.
Allavena, R.
Palmieri, C.
Title Multiple intra-abdominal serosal myxosarcomas in two koalas (Phascolarctos cinereus)
Formatted title
Multiple intra-abdominal serosal myxosarcomas in two koalas (Phascolarctos cinereus)
Journal name Journal of Comparative Pathology   Check publisher's open access policy
ISSN 1532-3129
Publication date 2015-02-27
Year available 2015
Sub-type Article (original research)
DOI 10.1016/j.jcpa.2015.01.004
Volume 152
Issue 2-3
Start page 283
End page 286
Total pages 4
Place of publication London, United Kingdom
Publisher Elsevier
Language eng
Formatted abstract
Two adult koalas (Phascolarctos cinereus) were presented for necropsy examination without any clinical history. A diffuse, severe gelatinous effusion was found in the abdominal cavity, while numerous 1–3 mm diameter, round, well-demarcated, multifocal to coalescing, raised, firm nodules containing a clear gelatinous fluid were scattered on the surface of the parietal peritoneum, diaphragm, liver, gastrointestinal tract and mesentery. Microscopically, the nodular lesions consisted of spindle-shaped to stellate neoplastic cells, with scant eosinophilic cytoplasm and moderate anisocytosis and anisokaryosis. The neoplastic cells were admixed with and surrounded by abundant acellular pale eosinophilic material that was stained by Alcian blue and only weakly by the periodic acid–Schiff reaction. Serosal proliferations are described rarely in koalas and to the authors' knowledge this is the first reported case of serosal myxosarcoma. The significance and pathogenesis of this condition in the koala population is unknown.
Keyword Histopathology
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2016 Collection
School of Veterinary Science Publications
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