Parameters pada pemeriksaan radiologi ct scan Orbita

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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