BLADE Diffusion

SIEMENS Healthineers BLADE Diffusion Job Aid Template Effective Date: 10 Aug 2021| HILS 2223 Job Aid Effective Date 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Table of Contents Overview 3 BLADE - Diffusion Activation 4 Available Siemens Protocols 5 blade_b0_1000_tra_160_p2_4mm 03:50 SMS and TSE 6 Application Strategy 7 blade_b0_1000_tra_160_p2s2_4mm 03:12 Comparison Vida XQ: brain 9 Tips & Tricks blade_b0_1000_cor_192_p2_3mm 05:27 10 2 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Overview BLADE Diffusion is a member of the BLADE family based on SIEMENS >> head >> library >> diffusion >> blade diff tra 160_p2s2 4mm ? General ¿ 3:12 min 4 Auto @ 4 @ 1.4x1.4x4.0 mm3 @ 1.00 the Turbo Gradient Spin Echo (TGSE) sequence. Protocol Parameters Routine Contrast Resolution Geometry System Physio Diff Inline Sequence Voice Commands Execution Diffusion Mode 4-Scan Trace Diff. Weighted Images Image Management Diff. Directions Trace Weighted Images By adding the BLADE Diffusion license, BLADE leverages the Auto Load Diffusion Scheme Monopolar Copy References Tensor advantage of the TGSE sequence design. TGSE readout can Diff. Weightings 2 4 FA Maps b-value Averages ADC Maps be used to accelerate data sampling and reduce SAR within 1000 + Exponential ADC Maps the diffusion mode. b-value >= 0 4 s/mm2 ADC Noise Threshold 40 + Diffusion weighting allows EPI factors > 1 so that a BLADE- Invert Gray Scale Calculated b-value based non-EPI diffusion sequence becomes available. By performing diffusion imaging with a non-EPI sequence, geometric distortions can be eliminated in areas with large susceptibility changes such as the sinuses and the inner auditory canal. 3 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Activation You can activate the BLADE diffusion mode under the Diff parameter card by selecting the required mode in the Diffusion Mode dropdown list. Please note: Ö 3 sec 1| Auto@ 2 @ 1.6x1.6x5.0 mm3 Routine Contrast Resolution Geometry System Physio Diff Normally 1 average is used for low b value; Diffusion Mode 3D Diagonal Diff. Weighted Images 1 or 2 can be used for high b-value Diff. Directions Trace Weighted Images Routine Contrast Resolution Geometry Diffusion Mode 3D Diagonal Diff. Directions Diffusion Scheme Monopolar Diff. Weightings 1 b-value Averages 0 1 Use BLADE coverage to compensate SNR. 4 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Available Siemens Protocols The protocols for BLADE Diffusion are located Under BLADE Diffusion you can find the following protocols: under myExam Cockpit > Siemens > head > library 1 Whole brain coverage, e.g. as alternative for ep2d_diff > diffusion 2 Whole brain coverage and SMS Local Database 3 Covering IAC for Cholesteatoma imaging SIEMENS USER >> head > library >> diffusion head Brain Assist 3 T2 BLADE - Diffusion_ clinical libraries advanced applications libraries B PD+T2 blade_diff_tra_160_p2_4mm 03:50 GOBrain E 3D 1 library diffusion blade_diff_tra_160_p2s2_4mm 03:12 2 E localizer El perfusion E T1 E BOLD blade_diff_cor_192_p2_3mm 05:27 3 3 T2 PD+T2 HASTE - Diffusion 3 3D E diffusion t2_haste_diff_cor_p2 04:28 E perfusion E BOLD 5 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers SMS and TSE SMS (Simultaneous Multi Slice)and TSE Routine Contrast Resolution Geometry System Physio Diff Inline Sequence (Turbo Spin Echo) reference scan are Common Acceleration Filter supported by the BLADE_Diff sequence. Acceleration mode SMS Under Resolution > Acceleration select the required acceleration mode in the Reference Scans TSE/Sep ... Acceleration Mode dropdown list. Acceleration Factor PE 2 + Reference Lines PE 64 = SMS Factor 2 + Ramp Sampling Y By adapting the Acceleration Factor PE (Phase Encoding) you can reduce FOV Shift Factor measurement time. 6 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Application Strategy a) How to increase image quality Adjust the Echo Planar Imaging (EPI) factor Adjust the echo time (TE) factor • Large EPI factor: SAR↓ ; TA ↓; artifact, signal void • Short TE: SNR ↑; Sharpness ↓ centric reordering will where B0 inhomogeneity is severe ↑ be used • Normally 3 ~ 5 is used • Long TE: SNR ↓; Sharpness ↑ linear reordering will 4:47 min Auto@ 2 @ 1.6x1.6x5.0 mm3 ֏ 0.48 be used Routine Contrast Resolution Geometry System Physio Diff Inline Sequence Part 1 Assistant 4:47 min Auto 02 @ 1.6x1.6x5.0 mm3 + 0.48 Part2 Sequence Name tgBAE3 Bandwidth 840 + Hz/PX Routine Contrast Resolution Geometry System Physio Diff Inline Sequence Echo Spacing 7.42 ms Slice Group FoV Read 300 + mm Slices 13 + FoV Phase 100.0 % Slice Thickness 5.0 ¢ mm RF Pulse Type Fast Distance Factor 50 % TR 4000.0 ms Turbo Factor 11 + Position Isocenter TE 52.00 - ms Gradient Mode Fast Orientation Transversal Averages Reordering Centric EPI Factor 3 7 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Application Strategy b) How to reduce scan time SIEMENS >> head >> library » diffusion >> blade_diff_tra_160_p252_4mm ? X General 8 3:12 min Auto Q 4 @ 1.4x1.4x4.0 mm3 ֏ 1.00 Protocol Parameters Routine Contrast Resolution Geometry System Physio Diff Inline Sequence Voice Commands Activate Fast BLADE Execution Part 1 Part 2 Assistant Introduction v • HASTE RF pulses will be used in the data Image Management Auto Load acquisition, as fast_tse Copy References • Recommend to be switched on, seem to be able to gain some SNR ↓ • By activating Fast BLADE you can achieve shorter Acoustic noise reduction Off echo spacing Hyperecho Fast BLADE Motion Correction Off OK Cancel 8 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion SIEMENS Healthineers Comparison Vida XQ: Brain a) With BLADE Diffusion the distortion Resolve, Matrix 160, HN20 Blade, Matrix 160, HN20 Blade, Matrix 192, Head32 b) AFL APL artifacts are reduced. blade chei vel4, hhy blade dwi yolt, Phy 2027 05.24-15:24:13-542-1.3 12.2 1107 5:30 3 2021 0: 24-15:24:13-057-1 3.12.2.1507.5 99.3 ATC XA4C TOM Vda 302: 05:34-15:24:130ST. 9.122.1107.5.99.3 MAGINETOM VETE MR XA4) 1504/1995.M. 25Y CURRENT CURRENT HFS CURRENT Orange arrows point to the position 5/24/2021 6/24 /2021 TH Elede BO_1000 98 152 4D SUM of the image artifacts. STUDY D 52401150-7a31-48 STUDY D 334Dr1 58-7e01-28 4:5747 PM 5 06 :04 PM 43 MAI FRM 1327 50IMA 1 FF:41307 RFA RFA RAR b = 0 b) You can increase the resolution F TR E010 0 TR SECD.O while keeping the same acquisition TE 53.2 SP HA7 TE 54D TA0214 TA 03 50 SP H47.7 TE 540 BA9 50 FOV 220/220 FOU 220-220 TA 03:50 OY 220-220 320-3120 p2 MAG 02 kAGNDIFF.TRACEWINDRMOISZD 160-180 Tra-Cor[16]] 50g(3) F3MAGACFFAR Tra-Cor 10). Son time: 3 min 50 seconds A1/FE Zoom 1.57 A1FS Icon 3:33 2.85 HET-4;NEZ HE1 4NE2 HEAHEF 15 50/181 Not for diagnose use LOSO Not for clagnostic use SOT a) AFL AFL AFL blade del vol4. hivy blade del vol4, Phy blade del volt, hay 2021 05:24-15 24:13-CST-1 3.12 2 1107 5:30 3 KAONETOFA \150 12021 05 24-15:24:13-D51-1 3 12 2.1107 5993 MACHETOM Vda 202: 05 29 22.1107 599 3 MAGNETOM YIKES R XARC MR XA49 MR XA40 CURRENT CURRENT FFS CURRENT 6/24/2021 5/24/2021 bade JO_1000 Jrs_180 tida BO 1000 STUDY D 92401148-7-31-4 STUDY DEZACPIES 5:09 :00 PM 6) MA21RM 1327 HRA RFA 52 IF TR CUIOU TR 5500 0 b = 1000 TE 53.2 TPC TE 14 0 TA,0214 TA U3:00 SP HA7 SPH06 DVV 919.0 FolV 220-220 BWE510 ¥ 220-220 BIN 561.0 FOV 2201220 on 15)-593(3) FRAGACF Tras A1.FS AIFS Zeom 3 33 Zoon HE:-4.NE2 re_bitout / 100 284 HE1-4 E2 444 HEATEF PUT to b100ht /148 Not for clognostic use 9 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Tips & Tricks 1 Bandwidth 4:47 min 4 Auto@ 2 @ 1.6x1.6x5.0 mm3 ៛ 0.48 Larger BW: Echo Spacing (and hence image Routine Contrast Resolution Geometry System Physio Diff Inline Sequence blurring)↓; TA ↓; artifact (signal void where B0 Part 1 Part 2 Assistant 1 inhomogeneity is severe) ↓; SNR ↓ Sequence Name tgBAE3 Bandwidth 840 + Hz/Px Please note: Normally bandwidth should be Echo Spacing 7.42 ms adjusted to minimize the echo spacing, but it can be reduced to 500 ~ 600 to gain some SNR. 2 RF Pulse Type Fast 3 Turbo Factor 11 + 2 RF Pulse type Gradient Mode Fast • With non-SMS: Fast mode is recommended Reordering Centric EPI Factor 3 4 • With SMS: Normal mode is recommended 3 Turbo factor Large turbo factor: SAR↑; blade width ↑; TA ↓ Normally 11 ~ 15 is used 10 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Tips & Tricks 4:47 min Auto @ 2 @ 1.6x1.6x5.0 mm3 ៛ 0.48 4 Diffusion mode RO Contrast Resolution Geometry System Physio Diff Inline Sequence 4 4-scan-trace is recommended, Diffusion Mode 4-Scan Trace Diff. Weighted Images for short TE Diff. Directions Trace Weighted Images 5 Diffusion Scheme Monopolar Tensor Diff. Weightings 2 FA Maps b-value Averages ADC Maps Diffusion scheme O 1000 + Exponential ADC Maps 5 Monopolar is recommended, for short TE Invert Gray Scale Calculated b-value 11 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Tips & Tricks @ 4:47 min Auto 2 @ 1.6x1.6x5.0 mm3 ៛ 0.48 6 TR- repetition time Routine Contrast Resolution Geometry System Physio Diff Inline Sequence 4000 ~ 5000 is recommended Slice Group FoV Read 300 + mm Slices 13 + FoV Phase 100.0 % 6 Slice Thickness 5.0 - mm Distance Factor 50 + % TR 4000.0 + ms Position Isocenter TE 52.00 - ms Orientation Transversal Averages ... 7 Phase Encoding Dir. A>> P Concatenations Phase Oversampling 100.0 ¢ % AutoAlign ... 7 Phase oversampling Coil Elements SP5 100% is recommended for coronal imaging to mitigate the 4000.0 TR 170.0 20000.0 ms folding artifact 2200.0 12 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 BLADE Diffusion – SIEMENS Healthineers Tips & Tricks ¿ 4:47 min Auto2 2 @ 1.6x1.6x5.0 mm3 ៛ 0.48 Routine Contrast Resolution Geometry System Physio Diff Inline Sequence Acceleration factor Common Acceleration Filte 8 p2 or p3 is recommended Acceleration mode GRAPPA Deep Resolve Off 8 Reference Scans TSE/Sep ... Acceleration Factor PE Reference Lines PE 32 + 9 Ramp Sampling Y 9 Ramp sampling Will be automatically switched on when EPI factor > 1 13 Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022 SIEMENS Healthineers Please note that the learning material is for training purposes only. For the proper use of the software or hardware, please always use the Operator Manual or Instructions for Use (hereinafter collectively “Operator Manual”) issued by Siemens Healthineers. This material is to be used as training material only and shall by no means substitute the Operator Manual. Any material used in this training will not be updated on a regular basis and does not necessarily reflect the latest version of the software and hardware available at the time of the training. The Operator Manual shall be used as your main reference, in particular for relevant safety information like warnings and cautions. Please note: Some functions shown in this material are optional and might not be part of your system. Certain products, product related claims or functionalities (hereinafter collectively “Functionality”) may not (yet) be commercially available in your country. Due to regulatory requirements, the future availability of said Functionalities in any specific country is not guaranteed. Please contact your local Siemens Healthineers sales representative for the most current information. The reproduction, transmission or distribution of this training or its contents is not permitted without express written authority. Offenders will be liable for damages. All names and data of patients, parameters and configuration dependent designations are fictional and examples only. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. © Siemens Healthcare GmbH 2022 Siemens Healthineers Headquarters Siemens Healthcare GmbH Henkestr. 127 91052 Erlangen, Germany Telephone: +49 9131 84-0 siemens-healthineers.com Effective Date: 10 Mar 2022| HOOD05162003258858 Unrestricted © Siemens Healthineers, 2022