CT — Urografie de rutină (MCB)
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MCB Radiology — 17 Urography Routine
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Documentul original MCB — Urografie de rutină
Protocol · 4 pagini · consultat la 2026-09-27.
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Textul documentului original
Pagina 1 — text în engleză
Updated 03/09/25 CT Urogram Routine Reviewed 05/14/25 Indications - hematuria, renal/ureteral stones/calculi, nephrolithiasis, hydronephrosis, hydroureter, chronic urinary tract infection, urothelial malignancy. 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 all phases (obtained during end inspiration). Adjust FOV (field of view) on topogram to smallest without cropping anatomy. IV Contrast: Administer weight-based Omnipaque-300 - 1 mL/kg up to 150 mL (100 mL minimum). Inject at 2.5 mL/sec followed by 40 mL saline flush, 20-gauge or larger in forearm or more proximal. Oral contrast: Give patient 32 oz water 30 mins prior to imaging. Tell patient not to use the restroom prior to scan. The bladder needs to be distended for the best study. 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
CT Urogram Routine SIEMENS PARAMETERS & RECONS For the Pre Contrast, Nephrographic (90 secs) and Excretory (5 mins) phases: Scan
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 200 on NA 0.80 16 1.5 0.5 13.0 Go Up 32 spiral 130 92 on on 145 0.80 32 0.7 0.8 22.3 Sensation 64 spiral 120 200 on NA 1.20 24 1.2 0.5 7.2 Definition 64 spiral 120 180 on off 0.60 64 0.6 0.5 21.7 Go Top 64 spiral 120 112 on on 145 0.80 64 0.6 0.5 8.1 on 0.60 128 0.6 Drive 128 spiral 120 147 on 0.5 10.9 Force 192 spiral 120 147 on on 0.60 192 0.6 0.5 7.2 PRE CONTRAST PHASE IR
Name of Series Thick Interval Window Recon
Kernel Lvl Direction AX PRE 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR PRE 3.0 3.0 mediastinum front/back Br40 / B41f 3 NEPHROGRAPHIC PHASE (90 secs) AX NEPRHO 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR NEPRHO 3.0 3.0 mediastinum front/back Br40 / B41f 3 SAG NEPRHO 3.0 3.0 mediastinum left/right Br40 / B41f 3 Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR EXCRETE MIPS 5.0 3.0 mediastinum front/back Br40 / B41f 3 SAG EXCRETE MIPS 5.0 3.0 mediastinum left/right Br40 / B41f 3
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 200 on NA 0.80 16 1.5 0.5 13.0 Go Up 32 spiral 130 92 on on 145 0.80 32 0.7 0.8 22.3 Sensation 64 spiral 120 200 on NA 1.20 24 1.2 0.5 7.2 Definition 64 spiral 120 180 on off 0.60 64 0.6 0.5 21.7 Go Top 64 spiral 120 112 on on 145 0.80 64 0.6 0.5 8.1 on 0.60 128 0.6 Drive 128 spiral 120 147 on 0.5 10.9 Force 192 spiral 120 147 on on 0.60 192 0.6 0.5 7.2 PRE CONTRAST PHASE IR
Name of Series Thick Interval Window Recon
Kernel Lvl Direction AX PRE 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR PRE 3.0 3.0 mediastinum front/back Br40 / B41f 3 NEPHROGRAPHIC PHASE (90 secs) AX NEPRHO 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR NEPRHO 3.0 3.0 mediastinum front/back Br40 / B41f 3 SAG NEPRHO 3.0 3.0 mediastinum left/right Br40 / B41f 3 Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR EXCRETE MIPS 5.0 3.0 mediastinum front/back Br40 / B41f 3 SAG EXCRETE MIPS 5.0 3.0 mediastinum left/right Br40 / B41f 3
Pagina 3 — text în engleză
CT Urogram Routine GE PARAMETERS & RECONS For the Pre Contrast, Nephrographic (90 secs) and Excretory (5 mins) phases: Scan
Smart
Slice
Beam
Dose
Scan
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Time LS 16 helical large 120 50-440 16.36 on 2.5 20 1.375 27.50 0.6 10.9 NA NA Opt 540 helical large 120 50-440 16.36 on 2.5 20 1.375 27.50 0.6 NA NA 10.9 LS VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 55.00 0.5 50 50 4.5 4.5 Disc VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 NA 55.00 0.5 NA PRE CONTRAST PHASE Name of Series Recon
Window
Recon
Thickness Interval Algorithm Width/Level Direction AX PRE 2.5 2.5 std full 400/40 head/feet Must be first recon. COR PRE 2.5 2.5 std full 400/40 front/back NEPHROGRAPHIC PHASE (90 secs) AX NEPRHO 2.5 2.5 std full 400/40 head/feet Must be first recon. COR NEPRHO 2.5 2.5 std full 400/40 front/back SAG NEPRHO 2.5 2.5 std full 400/40 left/right Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 2.5 2.5 std full 400/40 head/feet Must be first recon. COR EXCRETE MIPS 5.0 3.0 std full 400/40 front/back SAG EXCRETE MIPS 5.0 3.0 std full 400/40 left/right
Smart
Slice
Beam
Dose
Scan
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Time LS 16 helical large 120 50-440 16.36 on 2.5 20 1.375 27.50 0.6 10.9 NA NA Opt 540 helical large 120 50-440 16.36 on 2.5 20 1.375 27.50 0.6 NA NA 10.9 LS VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 55.00 0.5 50 50 4.5 4.5 Disc VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 NA 55.00 0.5 NA PRE CONTRAST PHASE Name of Series Recon
Window
Recon
Thickness Interval Algorithm Width/Level Direction AX PRE 2.5 2.5 std full 400/40 head/feet Must be first recon. COR PRE 2.5 2.5 std full 400/40 front/back NEPHROGRAPHIC PHASE (90 secs) AX NEPRHO 2.5 2.5 std full 400/40 head/feet Must be first recon. COR NEPRHO 2.5 2.5 std full 400/40 front/back SAG NEPRHO 2.5 2.5 std full 400/40 left/right Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 2.5 2.5 std full 400/40 head/feet Must be first recon. COR EXCRETE MIPS 5.0 3.0 std full 400/40 front/back SAG EXCRETE MIPS 5.0 3.0 std full 400/40 left/right
Pagina 4 — text în engleză
CT Urogram Routine PHILIPS PARAMETERS & RECONS For the Pre Contrast, Nephrographic (90 secs) and Excretory (5 mins) phases: Scan
Dose
3D
Rot Colli Mode kV Avg
mAs Index Dose Pitch Detect Scan
Time Time Incisive 128 helical 120 115 20 on 1.00 64 0.625 0.75 5.6 PRE CONTRAST PHASE Name of Series Thick Interval Filter Window iDose Recon
Direction AX PRE 3.0 3.0 B mediastinum 3 head/feet COR PRE 3.0 3.0 B mediastinum 3 front/back NEPHROGRAPHIC PHASE (90 secs) AX NEPHRO 3.0 3.0 B mediastinum 3 head/feet COR NEPHRO 3.0 3.0 B mediastinum 3 front/back SAG NEPHRO 3.0 3.0 B mediastinum 3 left/right Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 3.0 3.0 B mediastinum 3 head/feet COR EXCRETE MIPS 5.0 3.0 B mediastinum 3 front/back SAG EXCRETE MIPS 5.0 3.0 B mediastinum 3 left/right
Dose
3D
Rot Colli Mode kV Avg
mAs Index Dose Pitch Detect Scan
Time Time Incisive 128 helical 120 115 20 on 1.00 64 0.625 0.75 5.6 PRE CONTRAST PHASE Name of Series Thick Interval Filter Window iDose Recon
Direction AX PRE 3.0 3.0 B mediastinum 3 head/feet COR PRE 3.0 3.0 B mediastinum 3 front/back NEPHROGRAPHIC PHASE (90 secs) AX NEPHRO 3.0 3.0 B mediastinum 3 head/feet COR NEPHRO 3.0 3.0 B mediastinum 3 front/back SAG NEPHRO 3.0 3.0 B mediastinum 3 left/right Just before 5 mins, roll the patient three times to mix contrast within bladder. PRONE EXCRETORY PHASE (5 mins) Flip prone recons supine and proper right/left (i.e. mirror and both) before sending to PACS. AX EXCRETE 3.0 3.0 B mediastinum 3 head/feet COR EXCRETE MIPS 5.0 3.0 B mediastinum 3 front/back SAG EXCRETE MIPS 5.0 3.0 B mediastinum 3 left/right