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Related Experiment Videos

The crazy-paving pattern in exogenous lipoid pneumonia: CT-pathologic correlation

T Franquet1, A Giménez, R Bordes

  • 1Department of Radiology, Hospital de Sant Pau, Universidad Autónoma de Barcelona, Spain.

AJR. American Journal of Roentgenology
|February 11, 1998
PubMed
Summary
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Exogenous lipoid pneumonia presents a unique pattern on thin-section CT scans. This distinctive appearance, characterized by patchy ground-glass attenuation and septal thickening, aids in diagnosis.

Area of Science:

  • Radiology
  • Pulmonary Medicine
  • Pathology

Background:

  • Exogenous lipoid pneumonia is a rare lung condition caused by aspiration of lipid-containing substances.
  • Accurate diagnosis is crucial for appropriate patient management.

Purpose of the Study:

  • To describe the characteristic thin-section CT findings of exogenous lipoid pneumonia.
  • To highlight a previously undocumented imaging appearance.

Main Methods:

  • Retrospective analysis of thin-section CT scans.
  • Correlation with clinical and pathological findings.

Main Results:

  • Thin-section CT revealed patchy, well-defined areas of ground-glass attenuation.
  • Superimposed septal thickening, creating a "crazy-paving" pattern, was observed.

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Conclusions:

  • The "crazy-paving" pattern on thin-section CT is a distinctive sign of exogenous lipoid pneumonia.
  • This pattern should prompt consideration of exogenous lipoid pneumonia in the differential diagnosis.