proximal superficial onychomycosis

proximal superficial onychomycosis

The least common form of onychomycosis, which is characterised by fungal penetration of newly formed nails at the proximal nail fold. It is more common in immunocompromised individuals.
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iii) proximal superficial onychomycosis (PSO): If discoloration and onycholysis affected the proximal part of the nail.
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