GI Tract

Stomach: Detection of gastric pathology

Specific Anatomic Region

Stomach

Application

Detection of Gastric Pathology

Author

Horton K, Fishman EK

Reference Source

AJR 1998 Nov 171(5):1373-1376

Scanner Used

Siemens Somatom Plus-4

Injection Rate

3 cc/sec

Contrast Volume and Type

120 cc of Omnipaque-350

Area Scanned

Top 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 Thickness

3mm

Table Speed/Pitch

5mm/sec or pitch of 1.6

Reconstruction Interval

2-3mm

3D Technique Used

Volume rendering in select cases

Comment:
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.