Abstract

A 22-year-old male presented to the Dermatological Department with well-defined patches of non-scarring alopecia without inflammatory signs. The hair loss started one year ago. Alopecia areata was suspected. Differential diagnosis included syphilitic alopecia, tinea capitis and discoid lupus erythematosus. Syphilitic alopecia is characterized by patches of non-scarring alopecia of different size, without signs of inflammation. Tinea capitis is a fungal infection of hair and scalp typically caused by Trichophyton and Microsporum species that most often presents with pruritic, scaling areas of hairloss. The scalp is the most common area affected by discoid lupus erythematosus. Hair loss is usually patchy and there is loss of follicular orifices in sites of alopecia.KeywordsAlopecia areataAutoimmune disorderNon-scarring alopeciaSyphilitic alopeciaTinea capitisDiscoid lupus erythematosus

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