Peer-reviewed veterinary case report
Vascular malformations in horses - what to know
By Platt, H·Published in Equine veterinary journal·1987·Animal Health Trust·View original on PubMed →
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Original publication title: Vascular malformations and angiomatous lesions in horses: a review of 10 cases.
- Species:
- horse
Plain-English summary
Vascular malformations and angiomas, which are unusual growths in horses, were studied in a review of ten cases. In this group, one horse had an arteriovenous malformation (a type of abnormal connection between arteries and veins), six had hemangiomas (benign tumors made up of blood vessels), two had proliferative angiomas (also benign but with uncertain causes), and one had a lymphangioma (a tumor of the lymphatic vessels). The hemangiomas and lymphangioma likely developed from normal tissue, while the two proliferative angiomas were found in older horses, and their exact cause is not clear. Overall, more research is needed to understand how these types of lesions behave over time.
Abstract
Vascular malformations and angiomas are rather uncommon in horses and the literature concerning these lesions is reviewed. The pathology is described in 10 additional cases. These lesions were classified as arteriovenous malformation (one case), haemangiomas (six cases), 'proliferative angiomas' (two cases) and lymphangioma (one case). The haemangiomas and lymphangioma were probably hamartomatous in origin. Both cases of 'proliferative angioma' developed in aged animals and their pathogenesis was uncertain. More information is needed on the natural history and behaviour of lesions of this type.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/3504759/