Ann Dermatol.  2020 Apr;32(2):109-114. 10.5021/ad.2020.32.2.109.

Analysis of Adult Patients with Tinea Capitis in Southeastern Korea

• Lee HJ
• Kim JY
• Park KD
• Jang YH
• Lee SJ
• Bang YJ
• Jun JB
• Lee WJ

• KMID: 2471336
• DOI: http://doi.org/10.5021/ad.2020.32.2.109

Abstract

BACKGROUND
Tinea capitis is a cutaneous infection of dermatophytes and predominant in children. Although tinea capitis in Korea is controlled by oral antifungal medications and concerted public health initiatives, it's still a health issue.
OBJECTIVE
To investigate changes in the epidemiological and mycological characteristics of adult patients with tinea capitis in southeastern Korea.
METHODS
Using medical records from Kyungpook National University Hospital and Catholic Skin Clinic from 1989 to 2018, we retrospectively investigated the epidemiological and mycological characteristics of 266 adult patients (aged over 20) with tinea capitis.
RESULTS
Among total 266 patients, 239 were KOH-positive. The annual incidence of tinea capitis ranged from 3 to 18 between 1989 and 2018. Of the total, 54 (20.30%) were male and 212 (79.70%) were female. Eighty patients (30.08%) were in their seventies, the most commonly affected age group. Of the remaining, 58 (21.80%) were in their sixties, and 41 (15.41%) in eighties. Among all, 77 (28.95%) visited the hospital in summer, 72 (27.07%) in spring, 64 (24.06%) in winter, and 53 (19.92%) in fall. Dermatophytes were cultured from 171 patients. Microsporum canis was the most common dermatophyte (42.48%), while Trichophyton rubrum was the second (15.79%). Of the 266 patients, 186 (69.92%) lived in urban areas and 80 (30.08%) in rural areas.
CONCLUSION
The epidemiological and mycological characteristics of adult patients with tinea capitis were different from those of children in terms of annual incidence, sex distribution, and isolated dermatophytes. These results provide useful information for the treatment and prevention of tinea capitis.

Keyword

Dermatophytosis; Epidemiology; Microsporum canis; Tinea capitis

MeSH Terms

Adult*
Arthrodermataceae
Child
Epidemiology
Female
Gyeongsangbuk-do
Humans
Incidence
Korea*
Male
Medical Records
Microsporum
Public Health
Retrospective Studies
Sex Distribution
Skin
Tinea Capitis*
Tinea*
Trichophyton

Figure

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  Fig. 1 Annual incidence for adult patients with tinea capitis.

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  Fig. 2 Proportion of adult patients in total tinea capitis incidence by time period. The proportion of tinea capitis patients aged over 20 years has been increasing with time: 12.31% between 1989 and 1998, 25.75% between 1999 and 2008, and 49.03% between 2009 and 2018.

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