Concurrent right atrial myxoma with visceral haemangiosarcoma in a dog

Brewer, David John, Marwood, Rachel, Leeming, Gail ORCID: 0000-0003-3409-399X, Ressel, Lorenzo ORCID: 0000-0002-6614-1223 and Dukes-McEwan, Joanna ORCID: 0000-0002-0326-8251 (2023) Concurrent right atrial myxoma with visceral haemangiosarcoma in a dog. VETERINARY RECORD CASE REPORTS.

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Abstract

A 10-year-old crossbreed (labradoodle) was presented with an acute history of vomiting and diarrhoea, with supraventricular tachycardia and ventricular premature complexes. Physical examination revealed mild tachycardia, but no significant abnormalities otherwise. Investigations with echocardiogram and computed tomography identified a right atrial mass, nodular interstitial lung pattern, multiple nodules throughout the hepatic parenchyma and peritoneal effusion. Abdominocentesis confirmed a haemoabdomen. Treatment was declined and the dog was euthanased the same day. Histopathology of the cardiac mass confirmed a cardiac myxoma, which stained Alcian blue-positive, demonstrating the mucin content of the tumour. The hepatic lesions were factor VIII-positive, consistent with a visceral haemangiosarcoma.

Item Type:	Article
Uncontrolled Keywords:	cardiology, diagnostic imaging, dogs, emergency medicine, histopathology, oncology
Divisions:	Faculty of Health and Life Sciences Faculty of Health and Life Sciences > Institute of Infection, Veterinary and Ecological Sciences
Depositing User:	Symplectic Admin
Date Deposited:	11 Jan 2023 12:21
Last Modified:	25 Jan 2023 10:45
DOI:	10.1002/vrc2.552
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3166995