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[Two cases of tinea capitis with different clinical courses]
1Department of Dermatology, Tokyo Women's Medical University Daini Hospital, 2-1-10 Nishiogu, Arakawa-ku, Tokyo, 116-8567, Japan.
Summary
Two boys with tinea capitis treated with itraconazole showed different outcomes. One case developed kerion celsi, possibly due to secondary bacterial infection, requiring longer treatment for this fungal infection.
Area of Science:
- Dermatology
- Mycology
- Pediatrics
Background:
- Tinea capitis is a common superficial fungal infection affecting children.
- Early diagnosis and appropriate antifungal treatment are crucial for managing tinea capitis.
Observation:
- Two pediatric cases of tinea capitis from the same daycare were treated with oral itraconazole (50 mg/day).
- Both cases were infected with Microsporum canis, with a minimum inhibitory concentration (MIC) of 1 µg/ml for itraconazole.
Findings:
- Case 2 showed improvement after 11 weeks, while Case 1 progressed to kerion celsi.
- Case 1 required 22 weeks of treatment for complete resolution of the kerion celsi.
- Secondary bacterial infection is suspected as the cause for the progression to kerion celsi in Case 1.
Implications:
- This case series highlights the variable clinical presentation and treatment response in tinea capitis.
- The potential role of secondary bacterial infections in the development of kerion celsi warrants further investigation.
- Optimal management strategies for complicated tinea capitis cases may need to consider co-infections.