Biotinidase Deficiency Accompanying Hair Changes and Periorificial Lesions: A Case Report
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Case Report

Biotinidase Deficiency Accompanying Hair Changes and Periorificial Lesions: A Case Report

Turk J Dermatol 2011;5(3):79-81 DOI: 10.5152/tdd.2011.18
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Abstract

Biotinidase deficiency is impairment of biotin metabolism characterized by various dermatological,

ophthalmic and neurological symptoms. Autosomal recessive trait is a disorder. Skin findings such as alopecia, periorificial dermatitis and seborrhoeic dermatitis lesions are seen.

Clinical signs improved dramatically with biotine treatment. We presented a 6-year-old male patient with periorificial lesions, alopecia and microscopic hair shaft defects. (Turk J Dermatol 2011; 5: 79-81)

Keywords: Alopecia, biotin, biotinidase deficiency, periorificial dermatitis