Abstract:

A 62-year-old female patient,whose scalp developed pruritus erythema for 1 month,exacerbated to pustules for 3 weeks,formed scabs for 1 week.KOH direct microscopic examination finds typical hyphae on scalp scales.Culture on Sabouraud Dextrose Agar (SDA),with 25℃ for 25 days,shows purple colonies with reddish periphery.The pathogen's DNA was extracted for PCR amplification and the products was sequenced and identified as Trichophyton violaceum,which confirmed the patient's diagnose of tinea capitis.She was administrated itraconazole 200 mg twice a day taken with milk,combine with 1% naftifine-0.25% ketoconazole cream,after wash with 2% ketoconazole shampoo.Her scalp scales are improved 3 weeks later.However,band clustery tension blisters appeared on right scalp,right ear,right cheek,lips and underjaw,which was diagnosed as herpes zoster.The lesion was controlled after we prescribed brivudine 125 mg daily for 9 days.

Key words: tinea capitis, Trichophyton violaceum, itraconazole, herpes zoster, brivudine