Specific Anatomic RegionStomach
ApplicationDetection of Gastric Pathology
AuthorHorton K, Fishman EK
Reference SourceAJR 1998 Nov 171(5):1373-1376
Scanner UsedSiemens Somatom Plus-4
Injection Rate3 cc/sec
Contrast Volume and Type120 cc of Omnipaque-350
Area ScannedTop of left hemidiaphragm thru iliac crest
Scan Delay Usually 45-50 sec but 30 sec delay for arterial phase imaging may be better
Length of Spiral (time)35 sec (approx.)
Slice Thickness3mm
Table Speed/Pitch5mm/sec or pitch of 1.6
Reconstruction Interval2-3mm
3D Technique UsedVolume rendering in select cases
1. The key to this protocol is the use of H2O to distend the stomach rather than a positive agent. We use 750cc of H2O.
2. Virtual endoscopy may be helpful in these cases.