Specific Anatomic RegionBone/muscle
ApplicationPossible muscle abscess
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)120/165/.5
Detector Collimation (mm)2.5
Slice Thickness (mm)3 or 5
Data Reconstruction Interval (mm)3 or 5
Table Speed (mm per rotation) / Pitch12.5/5
Oral ContrastN/A
IV Contrast Volume and Type120 cc of Omnipaque 350
Injection Rate2-3 cc/sec
Scan Delay (sec)40 sec
3D Technique UsedN/A
The key parameter is the differential enhancement of normal muscle & abscess. Without IV contrast, many abscesses would be missed.