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[Familial dyskeratotic comedone].

C Michot1, J-J Guilhou, D Bessis

  • 1Service de Dermatologie, Hôpital Saint Eloi, 80 avenue Augustin Fliche, 34295 Montpellier Cedex 5, France. carine.michot@wanadoo.fr

Annales De Dermatologie Et De Venereologie
|October 27, 2004
PubMed
Summary

Familial dyskeratotic comedones, a rare autosomal disorder, presents as pseudo-comedone papules on limbs. This case highlights its clinical and histological features, suggesting underestimation of its prevalence.

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Area of Science:

  • Dermatology
  • Genetics

Background:

  • Familial dyskeratotic comedones is a rare autosomal disorder.
  • Characterized by pseudo-comedone papules primarily on the limbs.

Observation:

  • A 6-year-old boy presented with a progressive, symmetrical eruption of papular, pseudo-comedone lesions on his legs since birth.
  • His father reported a similar eruption since childhood.
  • Histopathology revealed pseudo-follicular invaginations with keratin obstruction and focal dyskeratosis.

Findings:

  • The case presents a unique clinical and histological profile of familial dyskeratotic comedones.
  • Local retinoid treatment proved ineffective.

Implications:

  • The prevalence of dyskeratotic comedones may be underestimated due to its often asymptomatic nature.

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  • Understanding differential diagnoses, including other conditions with comedone-like lesions or histological dyskeratosis, is crucial.