CT — Angio-CT cervical (MCB)
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MCB Radiology — 4 CTA Neck
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- 2026-09-27
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Documentul original MCB — Angio-CT cervical
Protocol · 2 pagini · consultat la 2026-09-27.
Descarcă PDF-ul integral · Sursa MCB · Catalogul MCB pentru această modalitate
Instrucțiunile, valorile și ilustrațiile din documentul original sunt păstrate în engleză. Titlul și navigarea sunt în română.
Pagina 1
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Textul documentului original
Pagina 1 — text în engleză
Updated 05/02/24 CTA Neck (Carotids) Reviewed 05/14/25 Indications - stroke, carotid artery stenosis/dissection/occlusion/aneurysm, trauma. GENERAL SCAN NOTES Remove any metal from the imaging field of view. Topogram - aortic arch to orbital floor. Craniocaudal scan coverage - aortic arch to orbital floor. Adjust FOV (field of view) on topogram to smallest without cropping anatomy. IV Contrast: Administer weight-based Omnipaque-350 - 1 mL/kg up to 100 mL. Inject at 4 mL/sec followed by 40 mL saline flush, 20-gauge or larger in forearm or more proximal. Bolus track off aortic arch triggered at 100 HU. For GE scanners, it is essential for the 1st recon thickness on the scanner to match the 1st recon thickness in this protocol book for the prescribed Noise Index to be valid. The 1st recon should generally be the thickest recon in the protocol. SIEMENS PARAMETERS & RECONS Scan
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 140 on NA 1.15 16 0.75 0.5 7.2 Go Up 32 spiral 110 111 on on 145 1.20 32 0.7 0.8 6.0 NA 1.20 64 0.6 0.5 Sensation 64 spiral 120 160 on 4.3 Definition 64 spiral 120 120 on on 1.40 64 0.6 0.3 2.2 on 145 1.20 64 0.6 0.33 Go Top 64 spiral 100 115 on 1.4 100 91 Drive 128 spiral on on 0.90 64 0.6 0.28 3.2 Sn140 91 80 345 Force 192 spiral on on 0.90 64 0.6 0.25 2.9 140 69 Recon
Name of Series Thick Interval Kernel Window IR
Lvl Direction AX CAROTIDS 2.0 2.0 Bv36 / H20f CT angio 3 feet/head AX CAROTIDS THINS 1.0 1.0 Bv36 / H20f CT angio 3 feet/head COR CAROTIDS MIPS front/back 2.0 2.0 Bv36 / H20f CT angio 3 3 left/right SAG CAROTIDS MIPS 2.0 2.0 Bv36 / H20f CT angio CURVED RIGHT ICA MIPS 2.0 2.0 Bv36 / H20f CT angio 3 left/right CURVED LEFT ICA MIPS 2.0 Bv36 / H20f CT angio 3 left/right 2.0 3D VRT (spin) 0.75 0.5 Bv36 / B31f CT angio 3D VRT (tumble) 0.75 0.5 Bv36 / B31f CT angio
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 140 on NA 1.15 16 0.75 0.5 7.2 Go Up 32 spiral 110 111 on on 145 1.20 32 0.7 0.8 6.0 NA 1.20 64 0.6 0.5 Sensation 64 spiral 120 160 on 4.3 Definition 64 spiral 120 120 on on 1.40 64 0.6 0.3 2.2 on 145 1.20 64 0.6 0.33 Go Top 64 spiral 100 115 on 1.4 100 91 Drive 128 spiral on on 0.90 64 0.6 0.28 3.2 Sn140 91 80 345 Force 192 spiral on on 0.90 64 0.6 0.25 2.9 140 69 Recon
Name of Series Thick Interval Kernel Window IR
Lvl Direction AX CAROTIDS 2.0 2.0 Bv36 / H20f CT angio 3 feet/head AX CAROTIDS THINS 1.0 1.0 Bv36 / H20f CT angio 3 feet/head COR CAROTIDS MIPS front/back 2.0 2.0 Bv36 / H20f CT angio 3 3 left/right SAG CAROTIDS MIPS 2.0 2.0 Bv36 / H20f CT angio CURVED RIGHT ICA MIPS 2.0 2.0 Bv36 / H20f CT angio 3 left/right CURVED LEFT ICA MIPS 2.0 Bv36 / H20f CT angio 3 left/right 2.0 3D VRT (spin) 0.75 0.5 Bv36 / B31f CT angio 3D VRT (tumble) 0.75 0.5 Bv36 / B31f CT angio
Pagina 2 — text în engleză
CTA Neck (Carotids) GE PARAMETERS & RECONS Scan
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Scan
Time LS 16 helical large 120 100-400 3.50 on 2.5 10 0.938 9.37 0.5 NA NA 10.7 Opt 540 helical large 120 100-400 3.50 on 2.5 10 0.938 9.37 0.5 NA NA 10.7 LS VCT 64 helical small body 120 0.969 19.37 0.5 20 20 100-450 6.50 on 2.5 20 5.2 Disc VCT 64 helical small body 120 100-450 6.50 on 2.5 20 0.969 19.37 0.5 NA NA 5.2 Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX CAROTIDS 2.5 2.5 std full 400/40 feet/head Must be first recon. AX CAROTIDS THINS 1.25 1.25 std full 400/40 feet/head COR CAROTIDS MIPS 2.5 2.5 std full 400/40 front/back SAG CAROTIDS MIPS 2.5 2.5 std full 400/40 left/right CURVED RIGHT ICA MIPS 2.5 2.5 std full 400/40 left/right CURVED LEFT ICA MIPS 2.5 2.5 std full 400/40 left/right 3D VRT (spin) 0.625 0.625 std full 400/40 3D VRT (tumble) 0.625 0.625 std full 400/40 PHILIPS PARAMETERS & RECONS Scan
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 203 22 on 1.00 64 0.625 1.00 3.0 Name of Series Thick Interval Filter Window iDose Recon
Direction AX CAROTIDS 2.0 2.0 B CTA 2 feet/head AX CAROTIDS THINS 1.0 1.0 B CTA 2 feet/head COR CAROTIDS MIPS 2.0 2.0 B CTA 2 front/back SAG CAROTIDS MIPS 2.0 2.0 B CTA 2 left/right CURVED RIGHT ICS MIPS 2.0 2.0 B CTA 2 left/right CURVED LEFT ICS MIPS 2.0 2.0 B CTA 2 left/right 3D VRT (spin) 0.75 0.5 B 3D VRT (tumble) 0.75 0.5 B
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Scan
Time LS 16 helical large 120 100-400 3.50 on 2.5 10 0.938 9.37 0.5 NA NA 10.7 Opt 540 helical large 120 100-400 3.50 on 2.5 10 0.938 9.37 0.5 NA NA 10.7 LS VCT 64 helical small body 120 0.969 19.37 0.5 20 20 100-450 6.50 on 2.5 20 5.2 Disc VCT 64 helical small body 120 100-450 6.50 on 2.5 20 0.969 19.37 0.5 NA NA 5.2 Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX CAROTIDS 2.5 2.5 std full 400/40 feet/head Must be first recon. AX CAROTIDS THINS 1.25 1.25 std full 400/40 feet/head COR CAROTIDS MIPS 2.5 2.5 std full 400/40 front/back SAG CAROTIDS MIPS 2.5 2.5 std full 400/40 left/right CURVED RIGHT ICA MIPS 2.5 2.5 std full 400/40 left/right CURVED LEFT ICA MIPS 2.5 2.5 std full 400/40 left/right 3D VRT (spin) 0.625 0.625 std full 400/40 3D VRT (tumble) 0.625 0.625 std full 400/40 PHILIPS PARAMETERS & RECONS Scan
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 203 22 on 1.00 64 0.625 1.00 3.0 Name of Series Thick Interval Filter Window iDose Recon
Direction AX CAROTIDS 2.0 2.0 B CTA 2 feet/head AX CAROTIDS THINS 1.0 1.0 B CTA 2 feet/head COR CAROTIDS MIPS 2.0 2.0 B CTA 2 front/back SAG CAROTIDS MIPS 2.0 2.0 B CTA 2 left/right CURVED RIGHT ICS MIPS 2.0 2.0 B CTA 2 left/right CURVED LEFT ICS MIPS 2.0 2.0 B CTA 2 left/right 3D VRT (spin) 0.75 0.5 B 3D VRT (tumble) 0.75 0.5 B