Clinical Significance of Trichoscopy in Common Causes of Hair Loss in Children: Analysis of 134 Cases

Khitam Al-Refu1

  • 1Department of Medicine, Faculty of Medicine, Mutah University, Mutah, Karak, Jordan.

Insights

Trichoscopy effectively differentiates common pediatric hair loss causes like tinea capitis and alopecia areata. This noninvasive technique visualizes hair shafts and scalps, aiding diagnosis without hair removal.

Area of Science:

  • Dermatology
  • Pediatric Trichology
  • Medical Imaging

Background:

  • Hair loss is a prevalent dermatological concern in children.
  • Common causes include alopecia areata, tinea capitis, traction alopecia, and trichotillomania.
  • Trichoscopy offers noninvasive visualization of hair and scalp for diagnosis.

Purpose of the Study:

  • To compare trichoscopic features of common pediatric hair loss conditions.
  • To differentiate between tinea capitis, alopecia areata, traction alopecia, and trichotillomania using trichoscopy.

Main Methods:

  • Study included 134 pediatric patients with hair loss.
  • Diagnostic methods included history, scalp evaluation, fungal scraping, and trichoscopy.
  • Patients were categorized into tinea capitis (63), alopecia areata (38), traction alopecia (18), and trichotillomania (15) groups.

Main Results:

  • Tinea capitis showed comma-shaped, corkscrew, and broken hairs.
  • Alopecia areata featured yellow/black dots and microexclamation marks.
  • Trichotillomania and traction alopecia shared features like fraying and breakage, with traction alopecia less commonly showing flame hairs.

Conclusions:

  • Trichoscopy is a valuable noninvasive tool for diagnosing pediatric hair loss.
  • It enables differential diagnosis by revealing specific features of various hair loss etiologies.
Abstract

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