Case 177. Trichophytosis (tinea capitis) (13 y-o F)

　 　 　 　
　 Biopsy from scalp skin showing mild erythema with persistent scaliness and minimal hair loss 　
　 　 　 　

　

 　 Trichophyton tonsurans and T. violaceum cause endothrix-type infection. The fungi invade the hair, entering the hair cortex just above the hair bulb (HE).