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Trichoscopy of Tinea Capitis: A Systematic Review
Anna Waśkiel-Burnat1, Adriana Rakowska2, Mariusz Sikora1
1Department of Dermatology, Medical University of Warsaw, Warsaw, Poland.
Dermatology and Therapy
|January 8, 2020
Summary
Trichoscopy, a non-invasive method, aids in diagnosing tinea capitis by identifying characteristic hair shaft abnormalities. This technique helps differentiate between fungal species and initiate treatment promptly.
Area of Science:
- Dermatology
- Mycology
- Medical Diagnostics
Background:
- Tinea capitis incidence has risen globally.
- Trichoscopy offers a non-invasive diagnostic tool for hair loss and scalp conditions.
- Accurate diagnosis of tinea capitis is crucial for effective treatment.
Purpose of the Study:
- To systematically review and analyze trichoscopic findings in tinea capitis.
- To identify characteristic trichoscopic features for diagnosing fungal scalp infections.
- To evaluate trichoscopy's utility in differentiating fungal species causing tinea capitis.
Main Methods:
- Systematic literature review across PubMed, EBSCO, and Scopus databases.
- Search terms combined 'tinea capitis' with various 'trichoscopy' and 'dermoscopy' variations.
- Quantitative analysis of 37 eligible articles from an initial 326.
Main Results:
- Characteristic trichoscopic findings include comma hairs (51%), corkscrew hairs (32%), and Morse code-like hairs (22%).
- Common but non-specific features: broken hairs (57%), black dots (34%), and scaling (89%).
- Specific features like Morse code hairs and zigzag hairs were linked to Microsporum, while corkscrew hairs were more prevalent in Trichophyton infections.
Conclusions:
- Characteristic trichoscopic findings can establish an initial tinea capitis diagnosis, enabling prompt treatment.
- Trichoscopy aids in differentiating between Microsporum and Trichophyton species.
- This method supports timely clinical management of fungal scalp infections.
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