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MCB Radiology — 10 Liver
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- 2026-09-27
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Documentul original MCB — Ficat
Protocol · 4 pagini · consultat la 2026-09-27.
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Pagina 1
Pagina 2
Pagina 3
Pagina 4
Textul documentului original
Pagina 1 — text în engleză
Updated 03/09/25 CT Liver Reviewed 05/14/25 Indications - abnormal LFTs, jaundice, biliary dilatation, cirrhosis, chronic liver disease, liver mass, hepatocellular carcinoma, cholangiocarcinoma, hepatitis B or C. Use regular CT without and with charges. Do not use CT Angio charges. 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: Pre contrast - abdomen only (lung bases to iliac crests) (obtained during end inspiration). Arterial phase - abdomen only (lung bases to iliac crests) (obtained during end inspiration). Venous phase - abdomen/pelvis (lung bases through pubic symphysis) (obtained during end inspiration). Delay phase - abdomen only (lung bases to iliac crests) (obtained during end inspiration). If only the abdomen is ordered, only image the abdomen regardless of what CC coverage above indicates. 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 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 150 HU + 15 secs. 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
CT Liver SIEMENS PARAMETERS & RECONS For the Pre Contrast, Arterial, Venous (70 secs) and Delay (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 Drive 128 spiral 120 147 on on 0.60 128 0.6 0.5 10.9 Force 192 spiral 120 147 on on 0.60 192 0.6 0.5 7.2 PRE CONTRAST IR
Name of Series Thick Interval Window Recon
Kernel Lvl Direction AX PRE 3.0 3.0 Br40 / B41f 3 mediastinum head/feet COR PRE 3.0 3.0 mediastinum front/back 3 Br40 / B41f LATE ARTERIAL PHASE AX LATE ART 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR LATE ART 3.0 3.0 Br40 / B41f 3 mediastinum front/back VENOUS PHASE (70 secs) AX VENOUS 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR VENOUS 3.0 3.0 mediastinum front/back Br40 / B41f 3 SAG VENOUS 3.0 3.0 mediastinum left/right Br40 / B41f 3 DELAY PHASE (5 mins) AX DELAY 3.0 3.0 mediastinum head/feet Br40 / B41f 3 Br40 / B41f COR DELAY 3.0 3.0 mediastinum front/back 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 Drive 128 spiral 120 147 on on 0.60 128 0.6 0.5 10.9 Force 192 spiral 120 147 on on 0.60 192 0.6 0.5 7.2 PRE CONTRAST IR
Name of Series Thick Interval Window Recon
Kernel Lvl Direction AX PRE 3.0 3.0 Br40 / B41f 3 mediastinum head/feet COR PRE 3.0 3.0 mediastinum front/back 3 Br40 / B41f LATE ARTERIAL PHASE AX LATE ART 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR LATE ART 3.0 3.0 Br40 / B41f 3 mediastinum front/back VENOUS PHASE (70 secs) AX VENOUS 3.0 3.0 mediastinum head/feet Br40 / B41f 3 COR VENOUS 3.0 3.0 mediastinum front/back Br40 / B41f 3 SAG VENOUS 3.0 3.0 mediastinum left/right Br40 / B41f 3 DELAY PHASE (5 mins) AX DELAY 3.0 3.0 mediastinum head/feet Br40 / B41f 3 Br40 / B41f COR DELAY 3.0 3.0 mediastinum front/back 3
Pagina 3 — text în engleză
CT Liver GE PARAMETERS & RECONS For the Pre Contrast, Arterial, Venous (70 secs) and Delay (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 2.5 20 1.375 helical large 120 50-440 16.36 on 27.50 0.6 NA NA 10.9 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 Disc VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 55.00 0.5 NA NA 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 COR PRE 2.5 2.5 std full 400/40 front/back Must be first recon. LATE ARTERIAL PHASE AX LATE ART 2.5 2.5 std full 400/40 head/feet Must be first recon. COR LATE ART 2.5 2.5 std full 400/40 front/back VENOUS PHASE (70 secs) AX VENOUS 2.5 2.5 std full 400/40 head/feet Must be first recon. COR VENOUS 2.5 2.5 std full 400/40 front/back SAG VENOUS 2.5 2.5 std full 400/40 left/right DELAY PHASE (5 mins) AX DELAY 2.5 2.5 std full 400/40 head/feet Must be first recon. COR DELAY 2.5 2.5 std full 400/40 front/back
Smart
Slice
Beam
Dose
Scan
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Time LS 16 2.5 20 1.375 helical large 120 50-440 16.36 on 27.50 0.6 NA NA 10.9 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 Disc VCT 64 helical large body 120 50-650 16.36 on 2.5 40 1.375 55.00 0.5 NA NA 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 COR PRE 2.5 2.5 std full 400/40 front/back Must be first recon. LATE ARTERIAL PHASE AX LATE ART 2.5 2.5 std full 400/40 head/feet Must be first recon. COR LATE ART 2.5 2.5 std full 400/40 front/back VENOUS PHASE (70 secs) AX VENOUS 2.5 2.5 std full 400/40 head/feet Must be first recon. COR VENOUS 2.5 2.5 std full 400/40 front/back SAG VENOUS 2.5 2.5 std full 400/40 left/right DELAY PHASE (5 mins) AX DELAY 2.5 2.5 std full 400/40 head/feet Must be first recon. COR DELAY 2.5 2.5 std full 400/40 front/back
Pagina 4 — text în engleză
CT Liver PHILIPS PARAMETERS & RECONS For the Pre Contrast, Arterial, Venous (70 secs) and Delay (5 mins) phases: Scan
Dose
3D
Rot Mode kV Avg
mAs Index Dose Pitch Detect Colli Scan
Time Time Incisive 128 helical 120 115 20 on 1.00 64 0.625 0.75 9.4 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 ARTERIAL PHASE AX LATE ART 3.0 3.0 B mediastinum 3 head/feet COR LATE ART 3.0 3.0 B mediastinum 3 front/back VENOUS PHASE (70 secs) AX VENOUS 3.0 3.0 B mediastinum 3 head/feet COR VENOUS 3.0 3.0 B mediastinum 3 front/back SAG VENOUS 3.0 3.0 B mediastinum 3 left/right DELAY PHASE (5 mins) AX DELAY 3.0 3.0 B mediastinum 3 head/feet COR DELAY 3.0 3.0 B mediastinum 3 front/back
Dose
3D
Rot Mode kV Avg
mAs Index Dose Pitch Detect Colli Scan
Time Time Incisive 128 helical 120 115 20 on 1.00 64 0.625 0.75 9.4 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 ARTERIAL PHASE AX LATE ART 3.0 3.0 B mediastinum 3 head/feet COR LATE ART 3.0 3.0 B mediastinum 3 front/back VENOUS PHASE (70 secs) AX VENOUS 3.0 3.0 B mediastinum 3 head/feet COR VENOUS 3.0 3.0 B mediastinum 3 front/back SAG VENOUS 3.0 3.0 B mediastinum 3 left/right DELAY PHASE (5 mins) AX DELAY 3.0 3.0 B mediastinum 3 head/feet COR DELAY 3.0 3.0 B mediastinum 3 front/back