Tinea imbricata

Tinea imbricata is a dermatophyte infection that is characterized by the presence of concentric rings of scale on the skin. It is caused by the fungus Trichophyton concentricum and is endemic in certain tropical regions, including parts of Asia, the South Pacific, and Central America.

Etiology

The causative agent of Tinea imbricata is Trichophyton concentricum, a type of dermatophyte fungus. This fungus is unique in that it does not fluoresce under Wood's lamp examination, unlike many other dermatophytes.

Epidemiology

Tinea imbricata is endemic in certain tropical regions, including parts of Asia, the South Pacific, and Central America. It is particularly common in rural areas where people have limited access to healthcare and hygiene is poor. The disease is spread through direct skin-to-skin contact or indirectly through contact with contaminated objects.

Clinical Presentation

The primary symptom of Tinea imbricata is the presence of concentric rings of scale on the skin. These rings can be itchy and uncomfortable, and they may become inflamed and red. The rings typically start on the trunk and spread to the limbs. In severe cases, the entire body may be affected.

Diagnosis

Diagnosis of Tinea imbricata is typically made based on the characteristic appearance of the skin lesions. A skin scraping may be taken and examined under a microscope to confirm the presence of the fungus. In some cases, a culture may be done to identify the specific type of fungus.

Treatment

Treatment for Tinea imbricata typically involves the use of antifungal medication, either applied topically or taken orally. In severe cases, a combination of both may be used. Treatment may need to be continued for several weeks to ensure that the fungus is completely eradicated.

Prevention

Prevention of Tinea imbricata involves maintaining good personal hygiene and avoiding contact with infected individuals or contaminated objects. In endemic areas, public health measures such as education about the disease and its transmission may also be important.

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Tinea imbricata

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  Tinea imbricata in advanced state