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Related Experiment Videos

Atypical presentation of amniotic band sequence.

O A Bodamer1, E J Popek, C Bacino

  • 1Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030, USA. obodamer@bcm.tmc.edu

American Journal of Medical Genetics
|April 12, 2001
PubMed
Summary

Amniotic Band Sequence (ABS) is a rare birth defect causing external and sometimes internal abnormalities. Prognosis for ABS depends on the severity and if internal organs are affected.

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Area of Science:

  • Medical Genetics
  • Developmental Biology
  • Teratology

Background:

  • Amniotic Band Sequence (ABS) is a disruption sequence characterized by diverse abnormalities due to prenatal disruption and deformation.
  • The incidence of ABS varies, reported between 1:1,200 and 1:15,000 live births, with higher rates in stillborn infants.

Observation:

  • The exact pathophysiology of ABS is debated, but understanding critical embryogenesis and organogenesis periods aids in elucidating its mechanisms.
  • ABS abnormalities typically affect external structures, though internal malformations can occur.
  • The presented case highlights the potential for associated internal malformations in ABS.

Findings:

  • ABS involves a spectrum of abnormalities resulting from disruption during fetal development.

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  • While external malformations are common, internal anomalies can also be present.
  • The severity of ABS and internal organ involvement significantly influences patient outcomes.

    • Implications:

    • Further research into ABS pathophysiology is needed to refine understanding and management.
    • Early diagnosis and assessment of internal organ involvement are crucial for accurate prognosis.
    • Understanding ABS mechanisms can inform strategies for prevention and treatment of related birth defects.