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Congenital constriction band syndrome. Pathophysiology and treatment

T R Light1, J A Ogden

  • 1Dept. of Orthopaedic Surgery, Loyola University School of Medicine, Maywood, Illinois 60153.

The Yale Journal of Biology and Medicine
|May 1, 1993
PubMed

Insights

Congenital constriction band syndrome causes limb differences in children, often leading to amputations. The condition results from intrauterine band constriction, affecting limb development.

Area of Science:

  • Pediatric Orthopedics
  • Developmental Biology
  • Clinical Genetics

Background:

  • Congenital constriction band syndrome (CCBS) is a rare condition affecting limb development.
  • It is characterized by intrauterine bands that can cause deformities and amputations.
  • Understanding the pathogenesis is crucial for diagnosis and management.

Observation:

  • A review of 88 children with CCBS of the hand revealed significant limb involvement.
  • Digital and limb amputations were common, affecting both upper and lower extremities.
  • Specific patterns of amputation were noted in fingers and toes, with band indentations at multiple levels.

Findings:

  • Syndactyly (webbed digits) was frequently associated with proximal interdigital clefts and distal amputations.
  • Proximal bands may lead to neural compression, impacting nerve function.
  • Examination of a stillborn fetus demonstrated the intrauterine biological response to band constriction.

Implications:

  • The variable clinical features of CCBS are explained by the limb's response to intrauterine deformation and constriction.
  • This understanding aids in predicting outcomes and guiding treatment strategies.
  • Further research into the molecular mechanisms of CCBS could lead to novel interventions.

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