Table 1:

Soft-tissue neck CT protocol

CT Protocol
Scanned region1 cm above the level of frontal sinus to aortopulmonary window
TypeHelical 0.5-second duration.
Pitch0.984:1
Gantry tilt
Section thickness and section interval0.625-mm-thick/0.625 interval and 40-mm detector coverage
ReconstructionStandard soft-tissue algorithm with 2.5-mm thickness
Matrix512 × 512
Kilovolt(peak)140
Noise index at 0.625-mm section thickness40 HU