Abstract

A 12-year-old Saluki was presented with acute lameness and plantar swelling of the right metatarsus following an episode of free running. Radiographs showed soft tissue swelling only, the involved bone and joint structures were unremarkable. The lesion recurred several months later. Ultrasonographic imaging of the lesion revealed a well-vascularized cavernous structure. Subsequent surgical removal and histopathological examination of the structure raised the initial suspicion of an arteriovenous fistula, which was then confirmed histologically following a second surgical removal of another recurrence. The purpose of this case report is to illustrate the potential complexity of what initially appears to be a simple lameness. At the same time, attention is focused on the possibility that arteriovenous fistulas may tend to recur.

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