CT — Artere renale (MCB)
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MCB Radiology — 6 Renal Artery
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Documentul original MCB — Artere renale
Protocol · 4 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.
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Textul documentului original
Pagina 1 — text în engleză
Updated 04/27/24 CTA Renal Artery Reviewed 05/14/25 Indications - renal artery stenosis or aneurysm, hypertension, fibromuscular dysplasia. Bill under CT Angio Combo AP w/ and w/o Contrast Charge. GENERAL SCAN NOTES Move the patient's arms over his/her head if possible. Remove any metal from the imaging field of view. Topogram - lung bases through pubic symphysis (obtained during end inspiration). Craniocaudal scan coverage - lung bases through pubic symphysis on both phases (obtained during end inspiration). If only abdomen ordered, only image the abdomen regardless of what coverage areas below indicate. Adjust FOV (field of view) on topogram to smallest without cropping anatomy. Scan parameters are the same as CTA abdominal aorta. IV Contrast: Administer weight-based Omnipaque-350 - 1 mL/kg up to 150 mL (100 mL minimum). Inject at 4 mL/sec followed by 40 mL saline flush, 20-gauge or larger in forearm or more proximal. Bolus track off proximal abdominal aorta triggered at 100 HU. Oral Contrast: generally not given for this protocol. 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.
Pagina 2 — text în engleză
CTA Renal Artery SIEMENS PARAMETERS & RECONS For the Pre Contrast and Angio phases: Scan
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 150 on NA 1.15 16 0.75 0.5 18.1 on 115 1.50 32 0.7 0.8 11.9 Go Up 32 spiral 110 92 on Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 10.9 Definition 64 spiral 120 on 120 on 1.40 64 0.6 0.5 9.3 Go Top 64 spiral 100 101 on on 115 1.50 64 0.6 0.33 2.9 Drive 128 spiral 120 84 on on 1.20 128 0.6 0.5 5.4 Force 192 spiral 110 90 on on 1.20 192 0.6 0.5 3.6 PRE CONTRAST Recon
Name of Series Thick Interval Kernel Window IR
Lvl Anatomy AX PRE 3.0 3.0 Br40 / B41f mediastinum 3 head/feet ANGIO PHASE AX ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 head/feet AX ANGIO THINS 1.0 1.0 Br40 / B41f mediastinum 3 head/feet COR ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 front/back SAG ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 left/right CURVED RIGHT ANGIO MIPS 2.0 2.0 Br40 / B41f mediastinum 3 front/back CURVED LEFT ANGIO MIPS 2.0 2.0 Br40 / B41f mediastinum 3 front/back 3D VRT (spin) 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 120 150 on NA 1.15 16 0.75 0.5 18.1 on 115 1.50 32 0.7 0.8 11.9 Go Up 32 spiral 110 92 on Sensation 64 spiral 120 150 on NA 1.20 64 0.6 0.5 10.9 Definition 64 spiral 120 on 120 on 1.40 64 0.6 0.5 9.3 Go Top 64 spiral 100 101 on on 115 1.50 64 0.6 0.33 2.9 Drive 128 spiral 120 84 on on 1.20 128 0.6 0.5 5.4 Force 192 spiral 110 90 on on 1.20 192 0.6 0.5 3.6 PRE CONTRAST Recon
Name of Series Thick Interval Kernel Window IR
Lvl Anatomy AX PRE 3.0 3.0 Br40 / B41f mediastinum 3 head/feet ANGIO PHASE AX ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 head/feet AX ANGIO THINS 1.0 1.0 Br40 / B41f mediastinum 3 head/feet COR ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 front/back SAG ANGIO 2.0 2.0 Br40 / B41f mediastinum 3 left/right CURVED RIGHT ANGIO MIPS 2.0 2.0 Br40 / B41f mediastinum 3 front/back CURVED LEFT ANGIO MIPS 2.0 2.0 Br40 / B41f mediastinum 3 front/back 3D VRT (spin) 0.75 0.5 Bv36 / B31f CT angio
Pagina 3 — text în engleză
CTA Renal Artery GE PARAMETERS & RECONS For the Pre Contrast and Angio phases: 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 120 100-440 16.36 1.375 27.50 0.5 on 2.5 20 NA NA 9.1 Opt 540 helical large 120 100-440 16.36 on 2.5 20 1.375 27.50 0.5 NA NA 9.1 LS VCT 64 helical large body 120 100-700 14.14 on 2.5 40 1.375 55.00 0.5 50 50 4.5 Disc VCT 64 helical large body 120 100-700 14.14 on 2.5 40 1.375 55.00 0.5 50 50 4.5 PRE CONTRAST Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX PRE 2.5 2.5 std full 400/40 head/feet This must be the first recon for the prescribed Noise Index to be valid. ANGIO PHASE AX ANGIO 2.5 2.5 std full 400/40 head/feet This must be the first recon for the prescribed Noise Index to be valid. COR ANGIO 2.5 2.5 std full 400/40 front/back SAG ANGIO 2.5 2.5 std full 400/40 left/right AX ANGIO THINS 1.25 1.25 std full 400/40 head/feet CURVED RIGHT ANGIO MIPS 2.5 2.5 std full 400/40 front/back CURVED LEFT ANGIO MIPS 2.5 2.5 std full 400/40 front/back 3D VRT (spin) 0.625 0.625 std full 400/40
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 120 100-440 16.36 1.375 27.50 0.5 on 2.5 20 NA NA 9.1 Opt 540 helical large 120 100-440 16.36 on 2.5 20 1.375 27.50 0.5 NA NA 9.1 LS VCT 64 helical large body 120 100-700 14.14 on 2.5 40 1.375 55.00 0.5 50 50 4.5 Disc VCT 64 helical large body 120 100-700 14.14 on 2.5 40 1.375 55.00 0.5 50 50 4.5 PRE CONTRAST Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX PRE 2.5 2.5 std full 400/40 head/feet This must be the first recon for the prescribed Noise Index to be valid. ANGIO PHASE AX ANGIO 2.5 2.5 std full 400/40 head/feet This must be the first recon for the prescribed Noise Index to be valid. COR ANGIO 2.5 2.5 std full 400/40 front/back SAG ANGIO 2.5 2.5 std full 400/40 left/right AX ANGIO THINS 1.25 1.25 std full 400/40 head/feet CURVED RIGHT ANGIO MIPS 2.5 2.5 std full 400/40 front/back CURVED LEFT ANGIO MIPS 2.5 2.5 std full 400/40 front/back 3D VRT (spin) 0.625 0.625 std full 400/40
Pagina 4 — text în engleză
CTA Renal Artery PHILIPS PARAMETERS & RECONS For the Pre Contrast and Angio phases: Scan
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 103 20 on 1.00 64 0.625 0.75 9.4 PRE CONTRAST Recon
Name of Series Thick Interval Filter Window iDose Direction AX PRE 3.0 3.0 B mediastinum 3 head/feet ANGIO PHASE AX ANGIO 2.0 2.0 B mediastinum 3 head/feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 head/feet COR ANGIO 2.0 2.0 B mediastinum 3 front/back SAG ANGIO 2.0 2.0 B mediastinum 3 left/right CURVED RIGHT ANGIO MIPS 2.0 2.0 B mediastinum 3 front/back 2.0 2.0 B mediastinum 3 front/back CURVED LEFT ANGIO MIPS 3D VRT (spin) 0.75 0.5
Dose
3D
Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Time Incisive 128 helical 120 103 20 on 1.00 64 0.625 0.75 9.4 PRE CONTRAST Recon
Name of Series Thick Interval Filter Window iDose Direction AX PRE 3.0 3.0 B mediastinum 3 head/feet ANGIO PHASE AX ANGIO 2.0 2.0 B mediastinum 3 head/feet AX ANGIO THINS 1.0 1.0 B mediastinum 3 head/feet COR ANGIO 2.0 2.0 B mediastinum 3 front/back SAG ANGIO 2.0 2.0 B mediastinum 3 left/right CURVED RIGHT ANGIO MIPS 2.0 2.0 B mediastinum 3 front/back 2.0 2.0 B mediastinum 3 front/back CURVED LEFT ANGIO MIPS 3D VRT (spin) 0.75 0.5