Onychomycosis

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. Inflammatory diseases of the nail. In: Lever's Dermatopathology: Histopathology of the Skin, 12th ed, Elder DE (Ed), Lippincott Williams & Wilkins 2022. Copyright © 2022 Wolters Kluwer Health, Inc.

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