Specific Anatomic RegionIntracranial Vessels
ApplicationSuspected aneurysm
AuthorSchwartz RB et al.
Reference SourceRadiology 1994; 192; 717-722
Scanner UsedSiemens Somatom Plus-S
Injection Rate2.5ml/sec
Contrast Volume and Type75ml of Hypaque-60 or Omnipaque-240
Area ScannedFrom base of sella turcica to top of brain
Scan Delay20sec
Length of Spiral (time)32sec
Slice Thickness2mm
Table Speed/Pitch2mm/sec
Reconstruction Interval1mm
3D Technique UsedMIP
  • The key to evaluation of intracranial aneurysms is narrow collimation. 2mm is needed.
  • 3D imaging is very helpful in these patients.