CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

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18 Revised 7/22/09 (Gentry/Ranallo) Head: Helical Scan with Angled Axial Reformations - Pediatric Child (3 – 6 yr) 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 0.6 0.5 0.5 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) 0.625 0.625 0.625 0.625 1.25 Interval (mm) 0.375 0.375 0.375 0.312 0.75 Scan FOV Head Head Head Small Head Head kV 100 100 100 100 100 Smart mA/ Auto mA Range 130-560 110-420 130-540 120-510 110-420 Noise Index 5.2 5.2 5.2 5.2 5.2 (Manual mA) 420 340 400 380 330 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 Plus Plus Plus Full Plus Recon Option Recon 2: IQ Enhance 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 Plus Plus Plus Full Plus Recon Option Non-Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT IQ Enhance Slice Thickness (mm) 0.625 0.625 0.625 0.625 1.25 Interval (mm) 0.375 0.375 0.375 0.312 0.75
19 Revised 7/22/09 (Gentry/Ranallo) Head: Helical Scan with Angled Axial Reformations - Pediatric Child (3 – 6 yr) 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) 0.625 0.625 0.625 0.625 1.25 Interval (mm) 0.375 0.375 0.375 0.312 0.75 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 6.0 6.0 6.0 6.0 6.0 (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 Plus Plus Plus Full Plus Recon Option Recon 2: IQ Enhance 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 Plus Plus Plus Full Plus Recon Option Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT IQ Enhance Slice Thickness (mm) 0.625 0.625 0.625 0.625 1.25 Interval (mm) 0.375 0.375 0.375 0.312 0.75
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Page 11 and 12: Adult Head: (Axial Mode) (Protocol
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Vascular Imaging: Stroke Deluxe: (A
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Appendix # 2 129 Revised 7/22/09 (G
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Suggestions for ROI Placement 133 R
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1. CTA (High-res COW) 2. CTA (Strok
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CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

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