Wood's lamp<unk>  may be diagnosed by a potassium hydroxide (KOH) preparation and lesions may fluoresce copper-orange when exposed to Wood's lamp. The differential diagnosis for<unk>  infection includes: *Progressive macular hypomelanosis *Pityriasis alba *Pityriasis rosea *Seborrheic dermatitis *Erythrasma *Vitiligo *Leprosy *Syphilis *Post-inflammatory hypopigmentation
Tinea versicolor
Pityriasis rosea
Tinea faciei
Dermatophytosis
Tinea corporis
Tinea incognita
Keratoderma blennorrhagicum
Lichen scrofulosorum