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Related Experiment Videos

Computed tomography of folded lung.

P M Carvalho1, D H Carr

  • 1Department of Diagnostic Radiology, Brompton Hospital, London.

Clinical Radiology
|February 1, 1990
PubMed
Summary

Computed tomography (CT) scans reveal key features for diagnosing folded lung, avoiding invasive procedures. Key signs include vessels and bronchi leading to peripheral masses with pleural thickening.

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Area of Science:

  • Radiology
  • Pulmonology
  • Medical Imaging

Background:

  • Folded lung, also known as}'}' pleuropulmonary blastoma, is a rare congenital lung malformation.
  • Accurate diagnosis is crucial for appropriate management.

Purpose of the Study:

  • To identify the most important computed tomography (CT) criteria for diagnosing folded lung.
  • To determine if biopsy or thoracotomy is necessary for diagnosis.
  • To assess the utility of intravenous contrast enhancement in CT scans.

Main Methods:

  • Review of CT scans from 22 examples of folded lung in nine patients.
  • Analysis of key imaging features, including vessels, bronchi, mass characteristics, and pleural changes.

Main Results:

  • The most significant CT criteria identified were vessels and bronchi in a smooth curvilinear fashion towards a peripheral mass with an ill-defined central edge and associated pleural thickening.
  • These features were present in all 22 examples.
  • Lesions were frequently multiple (in eight out of nine patients).
  • Intravenous contrast enhancement provided no additional useful information.
  • Previously described criteria like air bronchograms were not necessary for diagnosis.

Conclusions:

  • Diagnosis of folded lung can be reliably made using specific CT criteria, obviating the need for biopsy or thoracotomy.
  • Intravenous contrast is not required for diagnosis.
  • The presence of vessels and bronchi towards a peripheral mass with pleural thickening are the most critical imaging findings.

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