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Related Experiment Videos

Retrosternal density: pulmonary underdevelopment or accessory hemidiaphragm.

N S Sid1, L T Shearer, E K Gultekin

  • 1Department of Pediatrics, University of Louisville School of Medicine, Kentucky.

Pediatric Pulmonology
|January 1, 1991
PubMed
Summary
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Retrosternal densities on chest roentgenograms can mimic pulmonary underdevelopment or accessory hemidiaphragm. This study reviews cases and proposes a diagnostic and treatment approach for these challenging pediatric findings.

Area of Science:

  • Pediatric Radiology
  • Thoracic Surgery
  • Pediatric Pulmonology

Background:

  • Chest roentgenograms may show vertical retrosternal density and hemithorax haziness, challenging diagnosis.
  • This finding is often attributed to pulmonary underdevelopment or accessory hemidiaphragm.
  • Limited attention in general pediatric and pulmonology literature contrasts with surgical and radiological literature debates.

Observation:

  • Two pediatric cases with similar retrosternal densities are presented.
  • The radiologic appearance of pulmonary underdevelopment and accessory hemidiaphragm can be indistinguishable.
  • Confusion in diagnosis and treatment approaches is common.

Findings:

  • The study reviews pertinent literature on retrosternal densities.

Related Experiment Videos

  • It highlights the diagnostic challenges posed by similar radiologic appearances.
  • A rational approach to diagnosis and treatment is proposed.

    • Implications:

    • This work aims to clarify the differentiation between pulmonary underdevelopment and accessory hemidiaphragm.
    • It suggests a less invasive approach may be possible for diagnosis.
    • The findings can aid pediatricians, radiologists, and surgeons in managing these cases.