Related Experiment Video
Updated: Jul 7, 2026
In vivo Evaluation of Mucociliary Clearance in Mice
Published on: December 18, 2020
[Comparison of the images in virtual bronchoscopy under different conditions]
Motoyasu Sagawa1, K Usuda, K Tsuchihara
1Department of Thoracic Surgery, Kanazawa Medical University, Ishikawa, Japan.
Objective:
We report herein the comparison of the virtual bronchoscopy (VB) images which were constructed with 2 different computed tomography (CT) scanners combined with 3 different applications in 2 healthy adult volunteers.
Methods:
CT scanners were multi-detector row CT (MDCT) [64 detectors] and MDCT (16 detectors). Applications, by which VB images were made, were Leonardo (Leo), Ziostation (Zio), and Plus XNVZ2 (Plus). The image quality was evaluated by 3 expert bronchoscopists.
Results:
The change of the threshold value was necessary in Leo for practical use in subsegmental bronchi and more distal area, but unnecessary in Plus or Zio. When Plus was used, the VB images from the data obtained with MDCT (16 detectors) and MDCT (64 detectors) had almost equal quality.
Conclusions:
Although the process to construct VB images was different in each application, it was regarded that Plus was not inferior to Zio or Leo in VB image quality.
Related Concept Videos
01:30Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
01:26Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...