Friday, March 18, 2011

Centrilobular Ground-Glass Nodules

  • Acute hypersensitivity pneumonitis: Ground-glass centrilobular nodules and mosaic attenuation. Lower lobes. Pleural surfaces commonly spared or less involved.
  • Respiratory bronchiolitis-interstitial lung disease: Smokers. More commonly in the upper lobes.
  • Desquamative interstitial pneumonia: Peripheral predominance
  • Atypical infection: Pneumocystis jiroveci pneumonia, Mycoplasma, viral (e.g., cytomegalovirus)
  • Collagen vascular disease: For example, Sjögren syndrome.

References

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