Novel in vivo observations of scrotal Nannizzia gypsea infection

Abstract

Tinea cruris is a common dermatophytosis, which usually firstly involved the intertriginous fold near the scrotum. Although dermatophytes may colonize the scrotum, they typically do not infect scrotal skin. However, tinea of scrotum is seldom reported as a specific type of Microsporum gypseum infection, presenting as white-paint-dot appearance, scutular-like or pseudomembranous-like lesions in immunocompromised or immunocompetent patients^1-6. According to the newest taxonomy, M. gypseum is now called Nannizia gypsea⁷. Herein we report novel in vivo observations of five cases of scrotal tinea caused by N. gypsea (formerly Microsporum gypseum) in immunocompetent patients.

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