Multiple discospondylitis was diagnosed in a four-year-old, neutered female German shepherd dog which had suffered intermittent pain of the axial skeleton for 10 months, which was followed by the sudden onset of paraplegia associated with the rupture of an affected disc. After surgical and medical management the dog began to improve but then deteriorated as a result of a pathological fracture of the fifth lumbar vertebra. A histological examination revealed fungal hyphae at the sites affected radiographically and they were identified by immunohistochemistry as Aspergillus species. No fungal hyphae were identified in other tissues. This is the first report of canine mycotic discospondylitis in the United Kingdom.
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