Pulmonary parenchymal bands

Last revised by Vikas Shah on 1 Jan 2019

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Shah V, Weerakkody Y, et al. Pulmonary parenchymal bands. Reference article, Radiopaedia.org (Accessed on 16 Apr 2024) https://doi.org/10.53347/rID-8769

DOI:

https://doi.org/10.53347/rID-8769

Permalink:

https://radiopaedia.org/articles/8769

rID:

8769

Article created:

28 Feb 2010, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

1 Jan 2019, Vikas Shah ◉

Disclosures:

At the time the article was last revised Vikas Shah had no recorded disclosures.

View Vikas Shah's current disclosures

Revisions:

6 times, by 4 contributors - see full revision history and disclosures

Systems:

Chest

Tags:

hrct, lungs, terminology, cases

Synonyms:

Pulmonary parenchymal band
Parenchymal bands
Lung parenchymal bands
Parenchymal band - lung

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.

scars
atelectasis
thickening of interlobular septae of a number of adjacent secondary pulmonary lobules
fibrosis of peribronchovascular interstitium

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: