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Dyschromatosis universalis hereditaria.

G Sethuraman1, C R Srinivas, M D'Souza

  • 1Department of Dermatology, PSG Institute of Medical Sciences & Research, Coimbatore, Tamil Nadu, India. kgsethu@yahoo.com

Clinical and Experimental Dermatology
|October 10, 2002
PubMed
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Dyschromatosis universalis hereditaria presents as widespread skin pigment changes. This rare genetic disorder involves both hyperpigmentation and hypopigmentation, affecting oral mucosa, palms, and soles.

Area of Science:

  • Dermatology
  • Genetics
  • Pathology

Background:

  • Dyschromatosis universalis hereditaria (DUH) is a rare genodermatosis.
  • It is characterized by a wide spectrum of clinical presentations.

Observation:

  • Two unrelated Indian patients with DUH presented with generalized, progressive, reticulate hyper- and hypo-pigmentation.
  • Oral mucosa, tongue, palms, and soles exhibited mottled and diffuse hyperpigmentation with spotty depigmentation.
  • One patient displayed dystrophic nail changes with pterygium formation.

Findings:

  • Histopathology confirmed pigmentary incontinence.
  • Clinical and pathological findings suggest an intrinsic defect in melanosome formation or melanin processing.

Implications:

Related Experiment Videos

  • This report expands the clinical spectrum of DUH in Indian patients.
  • Understanding the underlying melanosome abnormalities is crucial for future research and potential therapeutic strategies.