Specific Anatomic RegionBone/Muscle
ApplicationPossible muscle abscess
AuthorFishman EK
Reference SourcePersonal communication
Scanner UsedSiemens Somatom Plus 4
Injection Rate2ml/sec
Contrast Volume and Type120ml of Omnipaque 350
Area ScannedVariable and based on clinical exam and history
Scan Delay 30sec
Length of Spiral (time)Up to 40sec
Slice Thickness3-5mm
Table Speed/Pitch5-10mm/sec or up to a pitch of 2
Reconstruction Interval3-8mm
3D Technique UsedVolume rendering as needed
Comment: IV contrast is critical in the detection of smaller abscesses which often enhance less than muscle. Peripheral rim enhancement may also occur. Without contrast an abscess can easily be overlooked.