Related Experiment Videos
Tinea capitis: current concepts in clinical practice
Matthew J Trovato1, Robert A Schwartz, Camila K Janniger
1Dermatology and Pediatrics, UMDNJ-New Jersey Medical School, Newark 07103-2714, USA.
Cutis
|March 31, 2006
Summary
Tinea capitis, a fungal infection common in children, is often caused by Trichophyton tonsurans in the US. This fungus does not fluoresce under Wood light, unlike European strains, but can mimic bacterial infections with inflammation.
Area of Science:
- Dermatology
- Mycology
- Pediatrics
Background:
- Tinea capitis is a prevalent superficial fungal infection affecting the scalp, particularly in pediatric populations.
- The causative agent varies geographically, influencing clinical presentation and diagnostic approaches.
Purpose of the Study:
- To describe the clinical characteristics and diagnostic considerations of Tinea capitis, focusing on the role of Trichophyton tonsurans.
Main Methods:
- Review of clinical presentations and etiological agents of Tinea capitis.
- Discussion of diagnostic modalities, including Wood light examination and its limitations.
Main Results:
- Trichophyton tonsurans is the most frequent cause of Tinea capitis in the United States, typically presenting with mild scaling and alopecia.
- Unlike many European fungal species, T. tonsurans does not fluoresce under Wood light.
- T. tonsurans can occasionally manifest as an intense inflammatory reaction, potentially misdiagnosed as bacterial infection.
Conclusions:
- The diagnostic approach for Tinea capitis should consider the prevalent etiologic agents and their characteristic presentations.
- Wood light examination is not universally reliable for diagnosing Tinea capitis due to geographical variations in fungal species.
- Inflammatory tinea capitis requires careful differentiation from bacterial infections.