Specific Anatomic RegionBronchial Tree or Airway
ApplicationTracheal stenosis
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)140/100/.5
Detector Collimation (mm)1
Slice Thickness (mm)1.25
Data Reconstruction Interval (mm)1
Table Speed (mm per rotation) / Pitch6/6
Oral ContrastN/A
IV Contrast Volume and TypeN/A
Injection RateN/A
Scan Delay (sec)N/A
3D Technique UsedVolume rendering
  • Non contrast 3D is ideal for these studies, where the airway is the only question. If tumor involvement is a consideration, then IV contrast should be used.
  • If stents are in the airway color the stent blue and it will stand out relative to vasculature and airway.