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Image Number 502 (Tinea nigra)


Diagnosis: Tinea nigra

Site: Hand,palm

Sex: M

Age: 3

Type: Clinical

Description: Slowly growing brown macule

Submitted by: Ian McColl

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Differential Diagnosis

History: Tinea nigra is a fungal infection of the skin seen in tropical areas due to the fungus Phaeoannellomyces werneckii.There is usually an injury to the skin allowing the fungus to enter.The macule is brown or black and slowly growing in the stratum corneum.It responds to topical antifungal therapy.To the uninitiated it may resemble a melanoma.

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