Abstract
A 1.3-year-old, female Border collie presented with a 2-month history of erythema, progressive scaling and hypopigmentation on the dorsal planum nasale extending to the muzzle and eyelids. Histopathological analysis of the nasal lesion revealed interface dermatitis. Erythema improved after the administration of oral tocopherol acetate and topical betamethasone for 2 weeks. However, the nasal lesion showed a discoid appearance with loss of its normal ‘cobblestone’ architecture, and progressive generalized leukotrichia was recognized. Ophthalmologic examination revealed no evidence of uveitis. A serum antinuclear antibody test was negative. Based on these findings, the present dog was considered to have vitiligo-like leukotrichia with discoid eruption.
