Can onychoscopy alleviate the need for mycological examination in onychomycosis? about a case

Direct microscopy and fungal culture are the gold standard for the diagnosis of onychomycosis. However, onychoscopy has recently been recognized as an effective tool that help clinicians increase the diagnostic accuracy of onychomycosis; but does onychoscopy predict the causative agent in onychomycosis and consequently alleviate the need for mycological examination, and guide the treatment, especially for molds? Here we report a case of onychomycosis to a rare mould named Onychocola Canadensis in a young sportive woman where onychoscopy was not helpful for the diagnosis of the causative agent.