visualisation imaging criteria:
- - entire orbits
- - osseous walls
- - vessels after the introduction of IV contrast media
image reproduction criteria:
- - sharp reproduction of the osseous walls
- - sharp reproduction of the optic nerve canal
- - sharp reproduction of the globe
- - sharp reproduction of the optic nerve
- - sharp reproduction of the orbital muscles
- - sharp reproduction of the retrobulbar fat
anatomy covered
- - axial from 5 mm below to 5 mm above the orbital cavity
- - coronal from anterior edge frontal sinus to posterior edge of sphenoid sinus
gantry scan plane
- parallel to the plane of the optic nerve (6-10 degrees from OM line)
- - perpendicular (as possible) to axial scan plane for coronal scans
Setting protokol untuk ct scan non multi slice
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