Please login or create an account. If you do not have access to this content, you will be shown a 30 second preview and licensing options.
- Presentation
Dermoscopy Tips to Recognize Alopecia Areata
Description
The lecture on utilizing dermoscopy to recognize alopecia areata focuses on identifying key diagnostic features through trichoscopy, differentiating between types of alopecia, and monitoring treatments. Key features include yellow dots indicative of dilated infundibula filled with sebum, common in both acute and chronic forms, and various hair structures such as black dots from broken hairs, tapering hairs, and short vellus hairs. Each of these characteristics helps in establishing a diagnosis and understanding disease progression. The speaker emphasizes the importance of clear and high-quality dermoscopic images, practical techniques for hair pull tests, and the nuances of trichoscopic findings among different patient demographics, such as children and those with darker skin tones. Additionally, distinguishing alopecia areata from conditions like trichotillomania is critical, with specific features like hair breakage patterns helping to inform the correct diagnosis. The lecture concludes by stressing the importance of continued treatment monitoring through dermoscopy to assess and manage ongoing cases of alopecia areata.
View moreConclusions
- Dermoscopy is essential for correctly diagnosing alopecia areata by recognizing key trichoscopic features.
- Common trichoscopic features of alopecia areata include yellow dots, black dots, broken hairs, and tapering hairs.
- Positive pull tests along with identifying dystrophic or broken hairs assist in diagnosing and monitoring diseases like alopecia areata.
- Trichoscopy findings differ significantly between children and adults, requiring tailored approaches for diagnosis.
- Short vellus hairs indicate active alopecia areata while terminal hairs represent improved conditions.
- Patients may present with negative pull test results in cases of diffuse alopecia areata, complicating diagnosis.
- Effective monitoring of treatment response is possible through trichoscopy, identifying both regressing and new hair growth.
- Coexistence of multiple trichoscopic features is needed for a reliable diagnosis rather than relying on individual characteristics.
- Adel Alsenaid, Ghadah Alhetheli, Mohammed Saleh Al-Dhubaibi, Ahmed Ibrahim Abd Elneam. Trichoscopy pattern in alopecia areata: A systematic review and meta-analysis. Skin Res Technol. 2023;29:e13378. DOI: 10.1111/srt.13378
- Buzzato BC et al. Diffuse pattern of alopecia areata in children: A multicentre retrospective study with 67 patients. JEADV. 2024.