Pulmonary parenchymal bands

Dr Vikas Shah and A.Prof Frank Gaillard et al.

Parenchymal bands are a HRCT finding. They can be commonly encountered among patients with asbestosis.

They are typically over 2 cm in length (up to 5 cm), 1-3 mm thick and run through the lung parenchyma and usually extend from a visceral pleural surface 6. They are formed in a number of ways 1:

They are thought to reflect pleuroparenchymal fibrosis and are usually associated with distortion of the lung architecture.

Parenchymal bands are encountered in a wide range of pulmonary diseases and represent one of the many end-stage fibrotic findings. To mention a few causes:

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Article information

rID: 8769
System: Chest
Synonyms or Alternate Spellings:
  • Pulmonary parenchymal band
  • Parenchymal bands
  • Lung parenchymal bands
  • Parenchymal band - lung

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