Specific Anatomic RegionStomach
ApplicationGastric mass (Virtual endoscopy)
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)120/125/.5 or 120/165/.5
Detector Collimation (mm)1 or 2.5
Slice Thickness (mm)1.25 or 3
Data Reconstruction Interval (mm)1
Table Speed (mm per rotation) / Pitch6/6 or 12.5/5
Oral Contrast750-1000 cc of water at the time of the study
IV Contrast Volume and Type120 cc of Omnipaque 350
Injection Rate3 cc/sec
Scan Delay (sec)25-30 sec
3D Technique UsedVolume rendering
  • A key to this study is adequate gastric distension. We use water as the contrast agent of choice.
  • Rapid injection of IV contrast is critical for enhancing wall definition.