Small airways
Citation, DOI, disclosures and article data
Citation:
Weerakkody Y, Knipe H, Bell D, et al. Small airways. Reference article, Radiopaedia.org (Accessed on 05 Mar 2025) https://doi.org/10.53347/rID-54198
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rID:
54198
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Disclosures:
At the time the article was created Yuranga Weerakkody had no recorded disclosures.
View Yuranga Weerakkody's current disclosures
Last revised:
Disclosures:
At the time the article was last revised Henry Knipe had the following disclosures:
- Micro-X Ltd, Shareholder (past)
These were assessed during peer review and were determined to not be relevant to the changes that were made.
View Henry Knipe's current disclosures
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Small airways refer to distal airways ≤2-3 mm caliber with a wall thickness <0.5 mm, namely subsegmental bronchi (have cartilage) and bronchioles (no cartilage) 3-5. They may or may not be directly visible on CT, but small airways disease may be visualized indirectly through air trapping 5.
Related pathology
References
- 1. Teel G, Engeler C, Tashijian J, duCret R. Imaging of Small Airways Disease. Radiographics. 1996;16(1):27-41. doi:10.1148/radiographics.16.1.27 - Pubmed
- 2. Abbott G, Rosado-de-Christenson M, Rossi S, Suster S. Imaging of Small Airways Disease. J Thorac Imaging. 2009;24(4):285-98. doi:10.1097/RTI.0b013e3181c1ab83 - Pubmed
- 3. Berniker A & Henry T. Imaging of Small Airways Diseases. Radiol Clin North Am. 2016;54(6):1165-81. doi:10.1016/j.rcl.2016.05.009 - Pubmed
- 4. Theriault M, Eddy K, Borgaonkar J, Babar J, Manos D. Diseases Involving the Central Bronchi: Multidetector CT for Detection, Characterization, and Differential Diagnosis. Radiographics. 2018;38(1):58-9. doi:10.1148/rg.2018170097 - Pubmed
- 5. Bankier A, MacMahon H, Colby T et al. Fleischner Society: Glossary of Terms for Thoracic Imaging. Radiology. 2024;310(2):e232558. doi:10.1148/radiol.232558 - Pubmed
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