Peer-reviewed veterinary case report
Vascular tumors in dogs and a cat - what to know
By Schöniger, S et al.·Published in Journal of comparative pathology·2008·Department of Pathology and Infectious Diseases, United Kingdom·View original on PubMed →
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Original publication title: Arteriovenous haemangioma in two dogs and a cat.
Plain-English summary
A 5-year-old male dog and a cat both had unusual growths, with the dog having a bleeding mass on its tongue and the cat showing a skin lesion. Both pets were diagnosed with a rare type of benign tumor called an arteriovenous hemangioma, which involves abnormal blood vessel growth. The tumors were surgically removed, and both pets recovered well after the surgery. This case highlights the importance of recognizing different types of vascular tumors in pets.
People also search for: dog tongue bleeding tumor · cat skin growth treatment · arteriovenous hemangioma in pets
Abstract
Haemangiomas are benign vascular tumours and several types can be distinguished based on microscopical features. Capillary and cavernous haemangiomas are most commonly reported in man and domestic animals. Arteriovenous haemangiomas are rare variants in man and herein we describe this subtype in two dogs and one cat. One dog and the cat presented with a cutaneous vascular lesion, the other dog with a bleeding mass in the tongue. Surgically excised masses comprised non-encapsulated proliferations of variably sized arterial- and venous-like vessels, accompanied by clusters of capillaries and immature vascular structures in the feline cutaneous tumour and the canine lingual neoplasm. All vasoformative elements had von Willebrand factor-positive endothelia enclosed by a smooth muscle actin-positive tunica media or by pericytes. The results of this study expand the range of differential diagnoses for vascular neoplasms in the dog and cat.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/18620702/