What is the role of airway wall measurements on CT scanning in the diagnosis of emphysema?

Updated: Mar 13, 2019
  • Author: Ali Nawaz Khan, MBBS, FRCS, FRCP, FRCR; Chief Editor: Eugene C Lin, MD  more...
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Answer

Answer

Increased airway wall thickness and lung parenchymal destruction contribute to airflow imitation in emphysema. Advances in CT postprocessing imaging have helped quantify this feature. Dijkstra et al in a population survey studied the relationship of increased airway thickening, lung function, emphysema, and respiratory symptoms. The authors concluded that postprocessing standardization of airway wall measurements provides a reliable and useful method to assess airway wall thickness. The authors also suggested that increased airway wall thickness contributed more to airflow limitation than emphysema in a smoking male population, even after adjustment for smoking behavior. [36]


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