Kerion
Kerion
Kerion (/kɛriːɒn/) is a type of dermatophytosis, specifically, a severe form of tinea capitis, an infection of the scalp hair by a type of fungus. The term "kerion" is derived from the Greek word "kērion" meaning honeycomb, due to the honeycomb-like appearance of the affected scalp.
Symptoms
The symptoms of kerion include painful, pus-filled sores on the scalp and hair loss. The affected area may also be red and swollen. The lymph nodes in the neck may also be swollen.
Causes
Kerion is caused by a fungal infection, usually by species of the Trichophyton and Microsporum genera. These fungi are contagious and can be spread through direct contact with an infected person or animal, or indirectly through contact with contaminated objects.
Diagnosis
Diagnosis of kerion is usually based on the appearance of the scalp. A skin biopsy may be performed to confirm the diagnosis. The fungus can also be identified by examining hairs plucked from the edge of the rash under a microscope.
Treatment
Treatment for kerion usually involves antifungal medications, such as griseofulvin or terbinafine. In severe cases, it may be necessary to drain the pus from the sores. It is also important to keep the scalp clean and dry.
Prognosis
With treatment, most people with kerion recover completely, although the hair loss may be permanent in some cases.
Prevention
Prevention of kerion involves avoiding contact with people or animals who have a fungal infection, and not sharing personal items such as combs, hats, or towels.
External links
- Medical encyclopedia article on Kerion
- Wikipedia's article - Kerion
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