We wished to determine if there was a significant difference between the measurements of compressed airway diameter in the axial plane compared with measurements of diameter using MPR for determining longitudinal axis of the airway; and to evaluate how measurements on lung window settings compare with soft tissue window settings.
All measurements were performed both in soft tissue window (Window 350/Level 50) and lung window (Window 1600/Level 500) settings (Figs 1C and 1D).
923 for right main bronchus measurements) between values on soft tissue window and lung window for the trachea and right main bronchus.
4 mm on lung windows compared with soft tissue window at the same location.
Radiologists can configure a single viewing protocol for a CT abdomen and pelvis, for example, with their choice of a variety of different views: View 1) Soft tissue window
presets, View 2) Lung window presents, 3) Bone window presents, Views 4-6) The preceding windows, but with prior studies added.