Dynamic Airway Evaluation with Volume CT: Initial Experience Ute Wagnetz, MD, Heidi C. Roberts, MD, FRCP(C), Taebong Chung, MD, Demetris Patsios, MD, BMBCh, MRCP, FRCR (UK), Kenneth R. Chapman, MD, MSc, FRCPC, FACP, FCCP, Narinder S. Paul, MRCP (UK), FRCR, FCPC Canadian Association of Radiologists Journal Volume 61, Issue 2, Pages 90-97 (April 2010) DOI: 10.1016/j.carj.2009.11.007 Copyright © 2010 Canadian Association of Radiologists Terms and Conditions
Figure 1 Anatomy of the central airways and illustration of the time taken for image data acquisition with 64-row and 320-row multidetector computed tomography unit. Canadian Association of Radiologists Journal 2010 61, 90-97DOI: (10.1016/j.carj.2009.11.007) Copyright © 2010 Canadian Association of Radiologists Terms and Conditions
Figure 2 Cross-sectional measurements of (A) the trachea in a 70-year-old man (patient no. 1) at the level of the aortic arch and (B) the carina in a 37-year old man (patient no. 6). Canadian Association of Radiologists Journal 2010 61, 90-97DOI: (10.1016/j.carj.2009.11.007) Copyright © 2010 Canadian Association of Radiologists Terms and Conditions
Figure 3 Selected images, demonstrating the time course of dynamic central airway collapse in a 55-year-old man by using 4-dimensional dynamic volume acquisitions (patient no. 4). Canadian Association of Radiologists Journal 2010 61, 90-97DOI: (10.1016/j.carj.2009.11.007) Copyright © 2010 Canadian Association of Radiologists Terms and Conditions
Figure 4 Volume-rendered images of the central airway taken during inspiration and expiration from a 56-year-old woman, demonstrating extensive tracheomalacia (patient no. 2). Canadian Association of Radiologists Journal 2010 61, 90-97DOI: (10.1016/j.carj.2009.11.007) Copyright © 2010 Canadian Association of Radiologists Terms and Conditions