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Home > West Medicine > Other Specialties > Dermatology
B36.100

Tinea Nigra

皮肤科

Common symptoms

表皮角化、色素性皮损、岳军

The pathology of disease

Tinea nigra (palmar/keratomycosis nigricans palmaris) is a contagious superficial palmoplantar mycosis: non-scaly black patches; histology shows brown septate hyphae in stratum corneum. Topical antifungals.

Common Symptoms

Epidermal keratinization; pigmented lesions; Yue Jun

Causes and Pathogenesis

North/South America: Phialophora werneckii (western); Asia/Africa: Manson's type (eastern). Tropical disease but also North America/Europe. Age <19; F:M = 3:1; chronic; hyperhidrosis.

Treatment

Drug therapy, supportive therapy

Preventive Measures

Hygiene; dry skin; avoid patients/infected animals; reduce foot irritation; limit strong tea/coffee/alcohol; daily foot washing/sock change; sun shoes; don't scratch; continue treatment until desquamation stops.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.