What is traction bronchiectasis?

Updated: Sep 15, 2020
  • Author: Ethan E Emmons, MD; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

Traction bronchiectasis is distortion of the airways secondary to mechanical traction on the bronchi from fibrosis of the surrounding lung parenchyma. Although the airways may become dilated in this situation, the other manifestations of bronchiectasis are lacking. Traction bronchiectasis tends to have an upper lobe distribution in cases of radiation fibrosis and sarcoidosis, while the lower lobe is predominantly involved in cases of interstitial lung disease/ idiopathic pulmonary fibrosis (ILD/IPF). [64]


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