Microscopy of nail scrapings with 20% KOH: why myelin is mistaken for fungal spores, morphological differences of artifacts, and sample preparation features.
Myelin. Nail. Often mistakenly identified as fungal spores. It differs from spores by its variety of shapes (often quite bizarre) and sizes. KOH 20%, sample preparation for 24 hours.
👉 Material kindly provided by medical lab technician - Dmitry Emelyanov.
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Sand particles in a nail plate scraping sample: a common artifact in onychomycosis microscopy, hindering visualization of fungal mycelium and spores.
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