Parasitic arterious aneurysm in horse


This is chronic inflammation in the arterial wall due to larvae of Strongylus vulgaris that live in the horse large intestine. In the past, 80-95% of horses had this aneurysm. This aneurysm is generally observed in the cranial mesenteric root artery and the roots of its branches. The arterial wall is markedly thickened and dilated, and the intimal surface is coarse and has thrombi that contain some - 400 larvae.


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Masanobu Goryo
Address inquiries to the following.

E-Mail:goryo@iwate-u.ac.jp
Department of Veterinary Pathology, Faculty of Agriculture, Iwate University., Morioka, 020-8550, Japan