Nail clippings stained with a periodic acid-Schiff (PAS) stain showing septal hyphal elements culture proven to be Trichophyton species within the nail plate keratin.
Reproduced with permission from: Rubin AI, Griffin TD. Inflammatory diseases of the nail. In: Lever's Histopathology of the Skin, 11th ed, Elder DE, Elenitsas R, Rosenbach M, et al (Eds), Wolters Kluwer, Philadelphia 2015. Copyright © 2015 Wolters Kluwer.
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