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Symmetrical bronchial pattern with normal atrial morphology.

W A Devine1, D E Debich, S R Taylor

  • 1Department of Pathology, Children's Hospital of Pittsburgh, PA 15213-2583.

International Journal of Cardiology
|September 1, 1988
PubMed
Summary
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This study describes an infant with Down syndrome and airway narrowing. Atrial arrangement, not bronchial structure, better predicts isomerism syndromes in complex congenital conditions.

Area of Science:

  • Pediatric Pathology
  • Congenital Abnormalities
  • Genetics

Background:

  • Trisomy 21 (Down syndrome) is associated with various congenital anomalies.
  • Tracheostenosis, a rare airway malformation, can complicate respiratory management in infants.
  • Isomerism syndromes involve abnormal asymmetry of thoracic and abdominal organs.

Observation:

  • A case of an infant with trisomy 21 and tracheostenosis is presented.
  • Postmortem examination revealed symmetrical bronchi and anomalous thoracic vessels.
  • The atrial arrangement was noted as normal (situs solitus).

Findings:

  • A discordance was observed between the symmetrical bronchial morphology and the normal atrial arrangement.
  • This lack of concordance challenges assumptions about the direct correlation between bronchial and atrial morphology in isomerism.

Related Experiment Videos

  • The findings suggest that atrial morphology is a more reliable indicator for isomerism syndromes.

    • Implications:

    • Revises understanding of isomerism syndrome prediction in complex pediatric cases.
    • Highlights the importance of detailed morphological assessment beyond single organ systems.
    • Informs diagnostic approaches and genetic counseling for infants with congenital anomalies and suspected isomerism.