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what are the causes of black tinea and black tinea

what are the causes of black tinea and black tinea

Etiology of tinea nigricans

First, the cause of the disease

There are two types of pathogenic fungi, namely cladosporium werneckii, which are found in North and South America and Australia; The other type, C. mansonii, is found in Asia and Africa.

Second, the pathogenesis

Superficial fungi invade skin in palms and plantars. The initial damage is black or brown spot, which is similar to pigmentation left by silver nitrate or ink coated on the skin. The surface is not high, generally without scales, sometimes with scales or mild keratinization, obvious boundary and lack of conscious symptoms.

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