Trichophyton tonsurans on Culture and Microscopy: - will often be from hair (monk tonsure) - macroconidia are rare - I don't think I've ever seen them - microconidia can be tiny or form larger balloon-like forms - often develop a brown pigment on the plate Rich Davis, PhD, D(ABMM), MLS @richdavisphd #Trichophyton #tonsurans #Culture #Microscopy #clinical #microbiology