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Related Experiment Videos

Sacrococcygeal dysgenesis association.

P A Duncan1, L R Shapiro, R M Klein

  • 1Department of Pediatrics, New York Medical College, Valhalla.

American Journal of Medical Genetics
|November 1, 1991
PubMed
Summary

A new condition, sacrococcygeal dysgenesis association (SDA), was identified in patients with sacrococcygeal malformations. SDA differs from VATER association and sirenomelia, particularly in central nervous system anomalies and maternal diabetes incidence.

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Area of Science:

  • Medical Genetics
  • Developmental Biology
  • Clinical Dysmorphology

Background:

  • Sacrococcygeal malformations are complex congenital anomalies.
  • Previous classifications often group diverse phenotypes together.
  • Understanding distinct associations is crucial for diagnosis and management.

Purpose of the Study:

  • To delineate a new phenotype within sacrococcygeal malformations.
  • To differentiate this new association from existing conditions like VATER association and sirenomelia.
  • To identify unique characteristics of the novel phenotype.

Main Methods:

  • Analysis of 445 patients with sacrococcygeal malformations.
  • Phenotypic characterization and comparison of associated anomalies.

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  • Evaluation of demographic data, including maternal history.

    • Main Results:

    • A new phenotype, sacrococcygeal dysgenesis association (SDA), was identified in 34% of patients.
    • SDA patients exhibited fewer anomalies (3.3/patient) compared to sirenomelia (9.3) and VATER (6.2).
    • SDA is characterized by central nervous system anomalies and CNS-related urinary/intestinal dysfunction, with a high incidence of maternal diabetes (28%).

    Conclusions:

    • Sacrococcygeal dysgenesis association (SDA) is a distinct phenotype.
    • SDA differs from VATER association and sirenomelia based on anomaly patterns and maternal diabetes prevalence.
    • Further research into SDA pathogenesis and clinical management is warranted.