Skip to main content
. 2018 Jun 13;9(4):559–569. doi: 10.1007/s13244-018-0630-5

Table 1.

Clinical computed tomography (CT) and magnetic resonance imaging (MRI) protocols used in the current review

CT protocol Acquisition Detector coverage Pitch Table speed Rotation time Kv mA max ASIR Matrix FOV
Skull base Spiral 20 cm 0.531:1 10.62 cm/s 1 s 120 600 40% 512 25 cm
Cranial Spiral 20 cm 0.531:1 10.62 cm/s 0.8 s 120 280 40% 512 25 cm
Neck Spiral 20 cm 0.531:1 10.62 cm/s 0.8 s 120 280 40% 512 25 cm
MRI protocol Sequence TR TE TI ET BW Matrix FOV ST SP NEX
Brain T2W axial 5600 ms 100 ms 22 41.67 KHz 512 × 384 26 cm 5 mm 1 mm 2
T2W coronal 4400 ms 102 ms 22 50 KHz 256 × 256 24 cm 5 mm 1 mm 2
T2W coronal 2800 ms 102 ms 22 41.67 KHz 320 × 256 24 cm 3 mm 0 mm 2
Cervical T1W sagittal 3000 ms 22 ms Auto 9 41.67 MHz 384 × 224 26 cm 3 mm 0 mm 2
Neck T1W axial 475 ms 10 ms 3 20.83 KHz 256 × 256 18 cm 4 mm 1 mm 2
T2W axial 4200 ms 85 ms 13 15.63 MHz 256 × 256 18 cm 4 mm 1 mm 3
T1W coronal 350 ms 7 ms 3 31.25 MHz 256 × 192 18 cm 4 mm 1 mm 1

Kv kilovoltage; mA max maximum milliamperage; ASIR adaptive statistical iterative reconstruction; FOV field of view; TR time of repetition; TE time of echo; TI time of inversion; ET echo train; BW bandwidth; ST slice thickness; SP spacing; NEX number of excitations