CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology
CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology
14 Revised 7/22/09 (Gentry/Ranallo) Head: Helical Pediatric Child (3 – 6 yr) Non-Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS VCT 64 GE LS 8 Scan Type Helical Helical Helical Helical Helical Rotation Time (sec) 0.5 0.6 0.4 0.4 0.7 Detector Coverage (mm) Beam Collimation (mm) 10 10 10 20 10 Detector Rows 16 16 16 16 8 Pitch 0.562 0.562 0.562 0.531 0.625 Speed (mm/rot) 5.625 5.625 5.625 10.62 6.25 Detector Configuration 16 x 0.625 16 x 0.625 16 x 0.625 64 x 0.625 8 x 1.25 Slice Thickness (mm) 5 5 5 5 5 Interval (mm) 2.5 2.5 2.5 2.5 2.5 Scan FOV Head Head Head Small Head Head kV 100 100 100 100 100 Smart mA/ Auto mA Range 170-680 110-400 170-680 160-640 110-420 Noise Index 2.6 2.6 2.6 2.6 2.6 (Manual mA) 510 340 510 480 330 Recon 1: DFOV 22 22 22 22 22 Recon Type Soft Soft Soft Soft Soft WW/ WL 80/25 80/25 80/25 80/25 80/25 Recon Option Full Full Full Full Full Recon 2: DFOV 22 22 22 22 22 Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300 Recon Option Full Full Full Full Full Slice Thickness (mm) 2.5 2.5 2.5 2.5 2.5 Interval (mm) 1.25 1.25 1.25 1.25 1.25
15 Revised 7/22/09 (Gentry/Ranallo) Head: Helical Pediatric Child (3 – 6 yr) Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS VCT 64 GE LS 8 Scan Type Helical Helical Helical Helical Helical Rotation Time (sec) 0.6 0.8 0.5 0.5 1.0 Detector Coverage (mm) Beam Collimation (mm) 10 10 10 20 10 Detector Rows 16 16 16 16 8 Pitch 0.562 0.562 0.562 0.531 0.625 Speed (mm/rot) 5.625 5.625 5.625 10.62 6.25 Detector Configuration 16 x 0.625 16 x 0.625 16 x 0.625 64 x 0.625 8 x 1.25 Slice Thickness (mm) 5 5 5 5 5 Interval (mm) 2.5 2.5 2.5 2.5 2.5 Scan FOV Head Head Head Small Head Head kV 80 80 80 80 80 Smart mA/ Auto mA Range 190-675 110-400 180-675 170-675 100-400 Noise Index 3.0 3.0 3.0 3.0 3.0 (Manual mA) 560 340 540 510 310 Recon 1: DFOV 22 22 22 22 22 Recon Type Soft Soft Soft Soft Soft WW/ WL 80/25 80/25 80/25 80/25 80/25 Recon Option Full Full Full Full Full Recon 2: DFOV 22 22 22 22 22 Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300 Recon Option Full Full Full Full Full Slice Thickness (mm) 2.5 2.5 2.5 2.5 2.5 Interval (mm) 1.25 1.25 1.25 1.25 1.25
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14 Revised 7/22/09 (Gentry/Ranallo)<br />
Head: Helical<br />
Pediatric Child (3 – 6 yr)<br />
Non-Contrast<br />
<strong>CT</strong> 1 <strong>CT</strong> 2 <strong>CT</strong> 3 <strong>CT</strong> 4 & ER <strong>CT</strong> East & RP <strong>CT</strong><br />
Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS V<strong>CT</strong> 64 GE LS 8<br />
Scan Type Helical Helical Helical Helical Helical<br />
Rotation Time (sec) 0.5 0.6 0.4 0.4 0.7<br />
Detector Coverage (mm)<br />
Beam Collimation (mm)<br />
10 10 10 20 10<br />
Detector Rows 16 16 16 16 8<br />
Pitch 0.562 0.562 0.562 0.531 0.625<br />
Speed (mm/rot) 5.625 5.625 5.625 10.62 6.25<br />
Detector Configuration 16 x 0.625 16 x 0.625 16 x 0.625 64 x 0.625 8 x 1.25<br />
Slice Thickness (mm) 5 5 5 5 5<br />
Interval (mm) 2.5 2.5 2.5 2.5 2.5<br />
Scan FOV Head Head Head Small Head Head<br />
kV 100 100 100 100 100<br />
Smart mA/ Auto mA Range 170-680 110-400 170-680 160-640 110-420<br />
Noise Index 2.6 2.6 2.6 2.6 2.6<br />
(Manual mA) 510 340 510 480 330<br />
Recon 1:<br />
DFOV 22 22 22 22 22<br />
Recon Type S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t S<strong>of</strong>t<br />
WW/ WL 80/25 80/25 80/25 80/25 80/25<br />
Recon Option Full Full Full Full Full<br />
Recon 2:<br />
DFOV 22 22 22 22 22<br />
Recon Type Bone Plus Bone Plus Bone Plus Bone Plus Bone Plus<br />
WW/ WL 3000/300 3000/300 3000/300 3000/300 3000/300<br />
Recon Option Full Full Full Full Full<br />
Slice Thickness (mm) 2.5 2.5 2.5 2.5 2.5<br />
Interval (mm) 1.25 1.25 1.25 1.25 1.25
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