Proximal Subungual Onychomycosis in the Immunocompetent: A Case Report and Review of the Literature.
J Drugs Dermatol 2018 Apr;17(4):475-478
Proximal subungual onychomycosis (PSO), which predominantly involves the nail plate from the proximal nail fold, is the rarest form of onychomycosis. Classically associated with an immunocompromised state, PSO is an uncommon diagnosis in individuals without immunodeficiency. We present a case of a healthy 51-year-old man, who presented with a three-month history of white discoloration of multiple toenails. Read More