Spontaneous dissecting aneurysm of the aorta in a dog

G. Bevilacqua, P. Camici, A. L'Abbate

Research output: Contribution to journalArticlepeer-review

Abstract

A dissecting aneurysm of the aorta is a dissection in the media of the vessel with formation of a new lumen parallel to the original one. The lesion is the result of a peculiar degeneration of the media known as cystic medionecrosis, which is characterized by fragmentation of the elastic fibers with the consequent formation of small cavities in which an amorphous mucopolysaccharide-like material accumulates. Dissection occurs when an intramural hemorrhage takes place in the damaged media as a result of rupture of the vasa vasorum or the intima. Spontaneous dissecting aneurysm is rare in animals but is well-known in man.

Original languageEnglish
Pages (from-to)273-275
Number of pages3
JournalVeterinary Pathology
Volume18
Issue number2
Publication statusPublished - 1981

ASJC Scopus subject areas

  • veterinary(all)

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