An 8-year-old male cross-Labrador retriever was presented for a progressive appearance of folds all over the body of the dog. Scleromyxoedema was diagnosed based on clinical signs and histopathological features. Clinical signs were characterised by a papular and vesicular eruption and severe skin thickening causing exuberant folds along with concurrent severe osteoarthritis of the coxofemoral joints. Thyroid disorders were excluded and the condition was not associated with monoclonal gammopathy. Histopathological features consisted of mucin deposition, fibroblast proliferation and fibrosis. Prednisolone was prescribed to decrease mucin synthesis which allowed a marked clinical improvement. Due to the progressive inability to walk, the dog was euthanased 6 months after the first consultation.
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