Snapshot A 7-year-old boy presents to his pediatrician’s office for a white rash on his nails. His mom reports that he has a history of tinea pedis and tinea manuum and thought that this might be related. On physical exam, his left fourth and fifth finger have a thin, white, and powder-like discoloration of the nail plate. He is given topical therapy for this rash. Introduction Clinical definition login to view 18 more bullets Associated conditions login to view 2 more bullets Epidemiology Prevalence login to view 2 more bullets Demographics login to view 2 more bullets Location login to view 1 more bullet Risk factors login to view 5 more bullets Etiology Pathogenesis login to view 1 more bullet Dermatophytes login to view 4 more bullets Candida spp. login to view 1 more bullet Presentation Symptoms login to view 1 more bullet Physical exam login to view 7 more bullets Studies KOH preparation login to view 2 more bullets Calcofluor white staining login to view 1 more bullet Fungal culture login to view 1 more bullet Making the diagnosis login to view 1 more bullet Differential Bacterial infection login to view 1 more bullet Psoriasis Trauma Treatment Medical login to view 17 more bullets Operative login to view 3 more bullets Complications Secondary bacterial infection Prognosis High rates of recurrence