Bronchoscopy is a commonly used clinical tool that provides a direct image of the bronchial
lumen. However, bronchoscopy has seen little use as a quantitative measurement tool …

Bronchoscopic evaluation of stenosis is limited due to radial distortion of bronchoscopic
images and the unknown distance between the endoscope and the stenotic area. The …

Quantitative assessment of airway caliber is generally confined to indirect physiologic
methods or to radiographic techniques. Fiberoptic bronchoscopy provides a direct view of …

Background: Quantitative assessment of airway caliber is generally confined to indirect
methods. Fiberoptic bronchoscopy provides a direct view of the airways, but measurement of …

Measurement of airway size using endoscopic morphometry was investigated. Endoscopic
images of the porcine tracheobronchial tree were obtained via a Storz system at a known …

Background Flexible video bronchoscopes, in particular the Olympus BF Type 3C160, are
commonly used in pediatric respiratory medicine. There is no data on the magnification and …

Computed tomography (CT) of the lungs makes it possible to study individual airways. A
technique using high-resolution-CT (HRCT) has been developed to measure the internal …

The bronchoscope has been an invaluable tool for the pulmonologist and surgeon for over a
century. In the late 1800s, Dr Gustav Killian performed the first rigid bronchoscopy. The …

In pediatric airway surgery, endoscopic evaluation of the lesions and treatment is important.
However, there are no objective and reproducible methods for measurement. The purpose …

Accurate assessment of central airway obstruction (CAO) of various morphologic and
mechanistic forms is an invaluable component of bronchoscopy practice. Reduction in …