Head Ct Protocols

NAMEINDICATIONDESCRIPTION
Routine Head CT Trauma < 4 yrs old:  Conventional (non-spiral) 5 mm x 5 mm axials through entire skull.  Film brain, subdural, and bone windows.   No IV contrast.
> 4 yrs old:  Conventional (non-spiral) 5 mm x 5 mm axials through posterior fossa & 10 mm x 10 mm axials to skull vertex.  Film brain, subdural, and bone windows.  No IV contrast.
Head CT w/ & w/o Contrast Abscess

Contraindication
for MRI such as
aneurysm clips or pacermaker
pre-contrast:  Conventional (non-spiral) 5 mm x 5 mm axials through posterior fossa & 10 mm x 10 mm axials to skull vertex.   Film brain, subdural, and bone windows.
contrast:  Inject 100 cc Oxilan 300 @ 2 cc/sec, beginning scan after all contrast is injected.
post-contrast:  Conventional (non-spiral) 5 mm x 5 mm axials through posterior fossa & 10 mm x 10 mm axials to skull vertex.  Film brain and subdural windows.
Maxillofacial CT Trauma neck not clear:  Spiral 3 mm x 1.5 mm axials, filming every other (ie, contiguous) images.  Coronal + sagittal 2D reconstructions.  Film soft tissue and bone windows.  No IV contrast.
neck clear:
  3 mm x 3 mm coronals through face.  Add 3 mm x 3 mm axials if needed for delineation of fractures.  Film soft tissue and bone windows.  No IV contrast.
Sinus CT Sinusitis routine:  Place BB on right cheek.   Conventional (non-spiral) 4 mm x 4 mm direct coronals through face, perpendicular to hard palate.  Film soft tissue and bone windows.
pre-op:   Place BB on right cheek.  Conventional (non-spiral) 3 mm x 3 mm direct coronals through face, perpendicular to hard palate.  Film soft tissue and bone windows.
Pre-MRI Orbit CT R/O Metal Conventional (non-spiral) 3 mm x 3 mm axials through orbits.  Film bone and soft tissue windows.  No IV contrast.