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A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
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Patchy hair loss on the pubis--a case study.

Emiliano Grillo1, Sergio Vano-Galvan, Blanca Diaz-Ley

  • 1Department of Dermatology, Ramon y Cajal University Hospital, Madrid, Spain. doctorgrillo85@hotmail.com

Australian Family Physician
|July 5, 2013
PubMed
Summary

A 17-year-old female with anorexia nervosa experienced significant pubic hair loss. Examination revealed broken hairs and follicular changes, suggesting a unique form of alopecia potentially linked to her condition.

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Area of Science:

  • Dermatology
  • Trichology
  • Psychodermatology

Background:

  • Anorexia nervosa is an eating disorder with potential dermatological manifestations.
  • Pubic hair loss is an uncommon symptom associated with eating disorders.

Observation:

  • A 17-year-old female with anorexia nervosa presented with a 3-month history of extensive, irregular pubic hair loss.
  • Physical examination showed scattered short hairs, follicular hyperkeratosis, and hyperpigmentation in the affected area.
  • Magnified views revealed decreased hair density, broken hairs of varying lengths, vellous hairs, and signs of recent hemorrhage.

Findings:

  • The hair-pull test was negative, and Potassium hydroxide (KOH) examination and fungal cultures were negative.
  • Biochemical studies, abdominal X-ray, and ultrasonography were within normal limits.
  • The findings suggest a non-scarring alopecia with specific characteristics in the pubic region, possibly related to anorexia nervosa.

Implications:

  • This case highlights a potential, previously undocumented, dermatological sign associated with anorexia nervosa.
  • Further research is needed to understand the pathophysiology and prevalence of this specific type of alopecia.
  • Recognition of this sign could aid in the early diagnosis and management of eating disorders.