{"id":4577,"date":"2025-10-31T16:19:18","date_gmt":"2025-10-31T16:19:18","guid":{"rendered":"https:\/\/protocols.nwforums.com\/index.php\/liver-1-5t\/"},"modified":"2026-01-07T20:14:44","modified_gmt":"2026-01-07T20:14:44","slug":"liver-1-5t","status":"publish","type":"page","link":"https:\/\/protocols.nwforums.com\/index.php\/liver-1-5t\/","title":{"rendered":"Liver 1.5T"},"content":{"rendered":"
\n
\n<\/div>\n
\nPrint<\/a><\/p>\n<\/div>\n<\/div>\n
\n

Instructions And Patient Preparation<\/h3>\n
\n
Instructions<\/dt>\n
• NPO 4 hours
• Cover entire liver<\/dd>\n
Common Indications<\/dt>\n
Characterization or follow up liver mass, patients with malignancy, abdominal pain, infection<\/dd>\n
Position<\/dt>\n
Supine; head or feet first<\/dd>\n
Coil<\/dt>\n
Body Array (anterior); Spine Array (posterior) – Be sure ISO, AUTO-COIl SELECT is on<\/dd>\n
Landmark<\/dt>\n
Xyphoid. Center in the middle of Body Array coil. Table can be re-centered following the localizer<\/dd>\n<\/dl>\n<\/section>\n
\n

Contrast Agent Parameters<\/h3>\n\n\n\n\n\n\n\n
Contrast Agent<\/th>\nDose<\/th>\nInjection Rate<\/th>\nDose Timing Method and Scan Delay<\/th>\n<\/tr>\n<\/thead>\n
Gadopiclenol (VUEWAY)<\/td>\n0.05 mmol\/kg<\/td>\n2 mL\/sec<\/td>\nUse Care Bolus (CB) to track contrast to diaphragm; stop CB; perform breath hold (BH) command (~6 sec); start Arterial phase acquisition<\/td>\n<\/tr>\n
Saline Flush<\/td>\n20 mL<\/td>\n2 mL\/sec<\/td>\n—<\/td>\n<\/tr>\n
Comments<\/td>\n• Report agent administered and dose
• Use minimal dose for patients with a GFR <30 mL\/sec<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n
\n

Imaging Parameters<\/h3>\n\n\n\n\n\n\n\n\n\n
Scan Description<\/th>\nLOCALIZER<\/th>\nCORONAL
T2 HASTE<\/th>\n		AXIAL
T2 HASTE<\/th>\n		AXIAL
3D IN OUT
CAIPI<\/th>\n		AXIAL
T1 VIBE Pre
CAIPI<\/th>\n		Care Bolus<\/th>\nAXIAL
T1 VIBE Post
CAIPI
Double Arterial<\/th>\n		AXIAL
T1 VIBE Post
CAIPI
60 sec
180 sec<\/th>\n		CORONAL
T1 VIBE
Fat Sat
180 sec<\/th>\n		AXIAL
DWI
Bipolar<\/th>\n<\/tr>\n
 <\/th>\n <\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n\nView Image<\/a>\n<\/th>\n<\/tr>\n<\/thead>\n
Sequence Name<\/td>\nfl<\/td>\nh_rr<\/td>\nh<\/td>\nfl<\/td>\nfl<\/td>\nfl<\/td>\nfl<\/td>\nfl<\/td>\nfl<\/td>\nepse<\/td>\n<\/tr>\n
Dimension<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n3D<\/td>\n3D<\/td>\n2D<\/td>\n3D<\/td>\n3D<\/td>\n3D<\/td>\n—<\/td>\n<\/tr>\n
Acceleration Mode<\/td>\nGRAPPA<\/td>\nGRAPPA<\/td>\nGRAPPA<\/td>\nCAIPIRINHA<\/td>\nCAIPIRINHA<\/td>\nNone<\/td>\nCAIPIRINHA<\/td>\nCAIPIRINHA<\/td>\nCAIPIRINHA<\/td>\nGRAPPA<\/td>\n<\/tr>\n
Acceleration Factor PE<\/td>\n2<\/td>\n3<\/td>\n2<\/td>\n2<\/td>\n2<\/td>\n—<\/td>\n2<\/td>\n2<\/td>\n2<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n
\n

Scan Parameters<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Scan Description<\/th>\nLOCALIZER<\/th>\nCORONAL
T2 HASTE<\/th>\n		AXIAL
T2 HASTE<\/th>\n		AXIAL
3D IN OUT
CAIPI<\/th>\n		AXIAL
T1 VIBE Pre
CAIPI<\/th>\n		Care Bolus<\/th>\nAXIAL
T1 VIBE Post
CAIPI
Double Arterial<\/th>\n		AXIAL
T1 VIBE Post
CAIPI
60 sec
180 sec<\/th>\n		CORONAL
T1 VIBE
Fat Sat
180 sec<\/th>\n		AXIAL
DWI
Bipolar<\/th>\n<\/tr>\n
 <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n<\/tr>\n<\/thead>\n
TR<\/td>\n7.4 ms<\/td>\n1100.0 ms<\/td>\n1100.0 ms<\/td>\n6.8 ms<\/td>\n4.2 ms<\/td>\n60.51 ms<\/td>\n4.2 ms<\/td>\n4.2 ms<\/td>\n4.9 ms<\/td>\n6700.0 ms<\/td>\n<\/tr>\n
TE<\/td>\n3.69 ms<\/td>\n101 ms<\/td>\n98 ms<\/td>\n1: 2.39 ms
2: 4.77 ms<\/td>\n		1.81 ms<\/td>\n1.45 ms<\/td>\n1.81 ms<\/td>\n1.81 ms<\/td>\n2.41 ms<\/td>\n76 ms<\/td>\n<\/tr>\n
Flip Angle<\/td>\n20 deg<\/td>\n180 deg<\/td>\n180 deg<\/td>\n10 deg<\/td>\n10 deg<\/td>\n30 deg<\/td>\n10 deg<\/td>\n10 deg<\/td>\n10 deg<\/td>\n—<\/td>\n<\/tr>\n
Turbo Factor<\/td>\n—<\/td>\n288<\/td>\n234<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Bandwidth<\/td>\n400 Hz\/Px<\/td>\n601 Hz\/Px<\/td>\n579 Hz\/Px<\/td>\n510 Hz\/Px<\/td>\n540 Hz\/Px<\/td>\n400 Hz\/Px<\/td>\n540 Hz\/Px<\/td>\n540 Hz\/Px<\/td>\n350 Hz\/Px<\/td>\n1358 Hz\/Px<\/td>\n<\/tr>\n
Fat-Water Contrast<\/td>\nStandard<\/td>\nStandard<\/td>\nStandard<\/td>\nDixon<\/td>\nFast Fat Saturation<\/td>\nStandard<\/td>\nFast Fat Saturation<\/td>\nFast Fat Saturation<\/td>\nFast Fat Saturation<\/td>\nSPAIR<\/td>\n<\/tr>\n
Fat Saturation<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\nStrong<\/td>\n<\/tr>\n
Saturation Mode<\/td>\nStandard<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n
Gradient Mode<\/td>\nNormal<\/td>\nFast<\/td>\nFast<\/td>\nBipolar<\/td>\nFast<\/td>\n—<\/td>\nFast<\/td>\nFast<\/td>\nFast<\/td>\nFast<\/td>\n<\/tr>\n
RF Pulse Type<\/td>\nNormal<\/td>\nFast<\/td>\nFast<\/td>\nFast<\/td>\nFast<\/td>\nLow SAR<\/td>\nFast<\/td>\nFast<\/td>\nFast<\/td>\nNormal<\/td>\n<\/tr>\n
Asymmetric Echo<\/td>\nAllowed<\/td>\n—<\/td>\n—<\/td>\nStrong<\/td>\nOff<\/td>\nAllowed<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n
\n

Acquisition Parameters<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Scan Description<\/th>\nLOCALIZER<\/th>\nCORONAL
T2 HASTE<\/th>\n		AXIAL
T2 HASTE<\/th>\n		AXIAL
3D IN OUT
CAIPI<\/th>\n		AXIAL
T1 VIBE Pre
CAIPI<\/th>\n		Care Bolus<\/th>\nAXIAL
T1 VIBE Post
CAIPI
Double Arterial<\/th>\n		AXIAL
T1 VIBE Post
CAIPI
60 sec
180 sec<\/th>\n		CORONAL
T1 VIBE
Fat Sat
180 sec<\/th>\n		AXIAL
DWI
Bipolar<\/th>\n<\/tr>\n
 <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n<\/tr>\n<\/thead>\n
Base Resolution<\/td>\n256<\/td>\n320<\/td>\n320<\/td>\n288<\/td>\n256<\/td>\n192<\/td>\n256<\/td>\n256<\/td>\n320<\/td>\n160<\/td>\n<\/tr>\n
Phase Resolution<\/td>\n60%<\/td>\n90%<\/td>\n90%<\/td>\n80%<\/td>\n70%<\/td>\n74%<\/td>\n70%<\/td>\n70%<\/td>\n75%<\/td>\n100%<\/td>\n<\/tr>\n
Slice Resolution<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n60%<\/td>\n50%<\/td>\n—<\/td>\n50%<\/td>\n50%<\/td>\n50%<\/td>\n—<\/td>\n<\/tr>\n
Averages<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1, 3<\/td>\n<\/tr>\n
Concatenations<\/td>\n27<\/td>\n2<\/td>\n2<\/td>\n1<\/td>\n1<\/td>\n—<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n1<\/td>\n<\/tr>\n
b-value<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n0 s\/mm2<\/sup>
50 s\/mm2<\/sup>
800 s\/mm2<\/sup><\/td>\n<\/tr>\n
FoV Read<\/td>\n430 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n350 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n380 mm<\/td>\n<\/tr>\n
FoV Phase<\/td>\n100%<\/td>\n100%<\/td>\n81%<\/td>\n83%<\/td>\n91%<\/td>\n100%<\/td>\n91%<\/td>\n91%<\/td>\n81%<\/td>\n80%<\/td>\n<\/tr>\n
Phase Encoding Dir.<\/td>\nA >> P<\/td>\nR >> L<\/td>\nA >> P<\/td>\nA >> P<\/td>\nA >> P<\/td>\nA >> P<\/td>\nA >> P<\/td>\nA >> P<\/td>\nR >> L<\/td>\nA >> P<\/td>\n<\/tr>\n
Phase Oversampling<\/td>\n25%<\/td>\n50%<\/td>\n0%<\/td>\n25%<\/td>\n20%<\/td>\n0%<\/td>\n20%<\/td>\n20%<\/td>\n50%<\/td>\n0%<\/td>\n<\/tr>\n
Slice Oversampling<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n33%<\/td>\n33%<\/td>\n—<\/td>\n33%<\/td>\n33%<\/td>\n57%<\/td>\n—<\/td>\n<\/tr>\n
Phase Partial Fourier<\/td>\n6\/8<\/td>\n5\/8<\/td>\n6\/8<\/td>\n6\/8<\/td>\nOff<\/td>\n7\/8<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\n6\/8<\/td>\n<\/tr>\n
Slice Partial Fourier<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n6\/8<\/td>\n6\/8<\/td>\n—<\/td>\n6\/8<\/td>\n6\/8<\/td>\n6\/8<\/td>\n—<\/td>\n<\/tr>\n
Flow Compensation<\/td>\nNone<\/td>\nRead<\/td>\nNone<\/td>\nFast<\/td>\n—<\/td>\nFast<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n
\n

Scanning Range<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Scan Description<\/th>\nLOCALIZER<\/th>\nCORONAL
T2 HASTE<\/th>\n		AXIAL
T2 HASTE<\/th>\n		AXIAL
3D IN OUT
CAIPI<\/th>\n		AXIAL
T1 VIBE Pre
CAIPI<\/th>\n		Care Bolus<\/th>\nAXIAL
T1 VIBE Post
CAIPI
Double Arterial<\/th>\n		AXIAL
T1 VIBE Post
CAIPI
60 sec
180 sec<\/th>\n		CORONAL
T1 VIBE
Fat Sat
180 sec<\/th>\n		AXIAL
DWI
Bipolar<\/th>\n<\/tr>\n
 <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n <\/th>\n<\/tr>\n<\/thead>\n
Elliptical Filter<\/td>\nOn<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\n<\/tr>\n
Normalize<\/td>\nPrescan<\/td>\nPrescan<\/td>\nPrescan<\/td>\nPrescan<\/td>\nPrescan<\/td>\nOff<\/td>\nPrescan<\/td>\nPrescan<\/td>\nPrescan<\/td>\nOff<\/td>\n<\/tr>\n
Raw Filter<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\nOff<\/td>\n<\/tr>\n
Distortion Correction<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n2D<\/td>\n<\/tr>\n
Slice Thickness<\/td>\n7.0 mm<\/td>\n6.0 mm<\/td>\n6.0 mm<\/td>\n3.0 mm<\/td>\n3.0 mm<\/td>\n20.0 mm<\/td>\n3.0 mm<\/td>\n3.0 mm<\/td>\n3.0 mm<\/td>\n7.0 mm<\/td>\n<\/tr>\n
Distance Factor<\/td>\n150%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n20%<\/td>\n<\/tr>\n
Slices<\/td>\nSlices 10<\/td>\nSlices 35<\/td>\nSlices 32<\/td>\nSlices per Slab 72<\/td>\nSlices per Slab 72<\/td>\nSlices 1<\/td>\nSlices per Slab 72<\/td>\nSlices per Slab 72<\/td>\nSlices per Slab 56<\/td>\nSlices 32<\/td>\n<\/tr>\n
Time of Acquisition<\/td>\n18 sec<\/td>\n49 sec<\/td>\n43 sec<\/td>\n16 sec<\/td>\n11 sec<\/td>\n1:01 min<\/td>\n20 sec<\/td>\n11 sec each<\/td>\n17 sec<\/td>\n1:42 min<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Print Instructions And Patient Preparation Instructions • NPO 4 hours• Cover entire liver Common Indications Characterization or follow up liver mass, patients with malignancy, abdominal pain, infection Position Supine; head or feet first Coil Body Array (anterior); Spine Array (posterior) – Be sure ISO, AUTO-COIl SELECT is on Landmark Xyphoid. Center in the middle of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[46,53,44],"tags":[],"class_list":["post-4577","page","type-page","status-publish","hentry","category-1-5t","category-liver","category-siemens"],"_links":{"self":[{"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/pages\/4577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/comments?post=4577"}],"version-history":[{"count":6,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/pages\/4577\/revisions"}],"predecessor-version":[{"id":5648,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/pages\/4577\/revisions\/5648"}],"wp:attachment":[{"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/media?parent=4577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/categories?post=4577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/protocols.nwforums.com\/index.php\/wp-json\/wp\/v2\/tags?post=4577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}