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

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

　

 　 The endothrix infection is evident by PAS stain. T. rubrum, the commonest cause of tinea corporis, cannot be a scalp pathogen.