Specific Anatomic Region C-Spine
Application Trauma
Author Elliot K. Fishman, MD
Reference Source JHU Protocol
Scanner Used Siemens Sensation 64
KV/Effective mAs/Rotation time (sec) 120/330/1.0
Detector Collimation (mm) 0.6
Slice Thickness (mm) 3 or 7.5
Pitch 0.9
Kernel 70 bone/30 soft tissue
Reconstruction Interval 3 or .5
Image Order (acquisition) Cr-ca
Oral Contrast N/A
IV contrast volume and type In select cases 100 cc of Omnipaque-350
Injection Rate 3-4 cc/sec
Scan delay (sec) 15-18 sec for carotids/vertebrates
3D technique used VRT and MIP
Comment:
The thin sections (.75 x .5 mm) is ideal for trauma where CT replaces plain films and a volume display (coronal, saggital, and 3D rendering) is used, with suspected vascular injury (i.e. GSW or stab wound) a CTA can also be done as a single exam.