Multidetector CT:
Neuro:

Internal auditory canals: R/O mass, infection
Specific Anatomic Region Internal auditory canals
Application R/O mass, infection
Author Joe Cooper
Reference Source Siemens Medical Systems
Scanner Used Siemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec) 120 / 220 / 1.0
Detector Collimation (mm) .5
Slice Thickness (mm) .5 or 1
Data Reconstruction Interval (mm) .5 or 1
Table Speed (mm per rotation) / Pitch 1 / 2
Oral Contrast N/A
IV Contrast Volume and Type N/A
Injection Rate N/A
Scan Delay (sec) N/A
3D Technique Used N/A

Comments:

  • If a tilted gantry is used, then the study is done in sequence mode. The parameters are 140/220/1.0 with .5 mm collimations and .5 mm slice thickness. Both are done with the 90U ultra sharp kernel.
  • With .5 mm detectors you have isotropic datasets.