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Related Experiment Videos

Restrictive dermopathy: report and review

U Mau1, H Kendziorra, P Kaiser

  • 1Department of Clinical Genetics, University of Tuebingen, Germany. ulrike.mau@uni-tuebingen.de

American Journal of Medical Genetics
|August 8, 1997
PubMed
Summary
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Restrictive dermopathy (RD) is a rare, lethal genetic skin disorder causing severe fetal immobility. Early diagnosis is challenging due to skin changes appearing late in gestation.

Area of Science:

  • Genetics
  • Dermatology
  • Prenatal Diagnosis

Background:

  • Restrictive dermopathy (RD) is a lethal autosomal recessive genodermatosis.
  • It causes fetal akinesia or hypokinesia deformation sequence (FADS) due to skin tautness.
  • Characterized by polyhydramnios, reduced fetal movements, and premature delivery around 31 weeks.

Observation:

  • Clinical features include tightly adherent, thin, translucent skin, joint contractures, and respiratory insufficiency.
  • Histological findings reveal a thin dermis, hypoplastic appendages, abnormal collagen, and absent elastic fibers.
  • Prenatal diagnosis via skin biopsy can be difficult as skin findings manifest after 22-24 weeks gestation.

Findings:

  • RD is distinct from other congenital FADS like Pena-Shokeir syndrome.

Related Experiment Videos

  • A case of an affected boy from consanguineous parents is presented, alongside a review of 30 previous cases.
  • The condition presents with a taut, inelastic skin, generalized joint contractures, and characteristic facial anomalies.

    • Implications:

    • Understanding RD's genetic basis and late-onset skin manifestations is crucial for accurate prenatal diagnosis.
    • Differentiating RD from other FADS is essential for appropriate genetic counseling and management.
    • Further research into the molecular mechanisms of RD may offer therapeutic targets.