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KMID : 1094020140310040341
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Journal of Veterinary Clinics
2014 Volume.31 No. 4 p.341 ~ p.343
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Seasonal Flank Alopecia in a Dog
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Park Seong-Jun
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Abstract
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A 6-year-old female, shih-tzu was presented in the February with bilateral, symmetrical hair loss andhyperpigmentation on caudal dorsolumbar region. Skin test and blood examination found no remarkable finding. Histopathological examination of biopsies from the alopecic lesions revealed follicular atrophy, infundibularhyperkeratosis and some follicles were twisted truncated and dilated. The diagnosis of recurrent flank alopecia wasbased on clinical signs and supportive histopathology. Treatment with oral melatonin was started at 3 mg twice dailyfor 80 days, and by this time complete hair regrowth was observed. The following year in the September, a smallnon-inflammatory alopecia developed in the same site. The dog was given oral melatonin at 3 mg twice daily for4 weeks, hair had completely regrown.
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KEYWORD
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seasonal flank alopecia, melatonin, hyperpigmentation, infundibular hyperkeratosis
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