MR Spectroscopy - Peak Editor (A-E Line)

MR Spectroscopy – Peak Editor Postprocessing (A to E-line) If a spectrum shows a peak that is not included in the theoretical spectrum (e.g., lactate peak), you can add the peak and recalculate the curve fit. 1. From the Patient Bowser > select SVS or CSI Raw Data Icon a. Select Applications > Spectroscopy Applications Transfer Patient Applications Signal Image Protocols Post-processing System Options Help 1: Integral GM CHD PEDI SPEC Report Open 10 RAW 1 TE 135 Exam 4/12/2005 Report Tools Svs_se 135 Mosaic 3D Viewing 0.4- Argus BreVis 02- BOLD BOLD Evaluation Filming Soft Tissue (MR) ppm Composing Mean Curve Perfusion (MR) 3D Spectroscopy Neuro 3D (MR) Tissue 4D (MR) Spectroscopy Vessel View Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 SIEMENS Master Template: EFF Date 22 Aug 17 | HOOD/HILS HOOD05162002647849 Healthineers Jobaid: Effective Date: 03/10/2020| HOOD05162003069927 Job Aid | MR Spectroscopy - Peak Editor Postprocessing (A to E-line) Effective Date: 03/10/2020 | HOOD05162003069927 2. Add a Singlet Peak to a Spectrum – Manually a. Select segment with Spectrum displayed (SVS or CSI) 3. Select Interactive Post-processing icon Post-processing step > select Curve Fitting ? ! a. b. Select Add (Peak Editor window opens) Interactive Post-processing - Protocol: svs_se_135 Post-processing steps Curve fitting Water reference processing Filter Zero-filling Calculation range 1.00 4.10 ppm Fourier transformation Iterations 4 Baseline correction Peak list: Start values > . Result values OPhase correction Delta position: 0.01 ppm Curve fitting Peak Pos/ppm Amplitude Width/Hz Integral 2.03 0.62 5.30 Delta ampl. 3.48 5 % E Cr 3.05 0.28 8.40 2.46 E Cho 3.23 0.24 6.10 1.59 Delta width: 0.1 Hz 0 Cr2 3.92 0 12 18 20 1.54 Add ... Edit. Delete Hide fit Automatic Subtract fit Show: | Name Pos. | |Ampl. Width | | Integral Fitting error: .313428 Break Apply Reset Close Help 4. Peak Editor window (e.g., use templates to add peak to spectrum) a. Peak Templates i. Select Siemens > 1H (in-vivo) ii. Select Lac > Select button 1. Note: Peak name, characteristics, and peak restrictions are automatically entered once you choose “Select” button. b. Peak Parameters i. Phase > enter = 180° 1. Note: when adding a doublet for Spin Echo sequences with a TE = 135 ms, enter 180° Peak Editor X phase to invert Peak name: Lac Peak templates peaks O Customer Siemens Peak parameters Peak type NAA ii. Select Enter (peaks are Position 1.33 ppm ) Gaussian NAA dd1 NAA dd2 displayed inverted in Peak Amplitude: O Lorentzian Cr Width : 11.3 Cr2 H O J-coupling Cho Editor window) Phase -180 deg Visible Glx m1 Glx m2 iii. Select OK Glx m3 Peak restrictions Gtx dd Position: 1.1 1.6 ppm Lac Ins dd1 Amplitude: 0 100000 Width: 1 Edit 30 Hz Select J-coupling Name + Pos/ Ampl * Width + Phase Type Lactate 1 -3.45 1 0.25 Gaussian Lactate2 3.45 0.25 Gaussian Add OO Dejete 0.61 Graphics 0 ppm O Hz oof M 0.2 Cancel 40 3.5 30 2.0 0.5 Help Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 Page 2 of 5 Job Aid | MR Spectroscopy - Peak Editor Postprocessing (A to E-line) Effective Date: 03/10/2020 | HOOD05162003069927 5. Curve Fitting window a. Select Automatic button b. Select Close Interactive Post-processing - Protocol: svs_se_135 X Post-processing steps Curve fitting Water reference processing Filter Zero-filling Calculation range 1.00 4.10 ppm Fourier transformation Iterations: 4 Baseline correction Peak list: Start values . Result values Phase correction Delta position: 0.01 ppm Curve fitting Peak Pos/ppm Amplitude Width/Hz Integral 5 M NAA 2.03 0.62 5.30 3.48 Delta ampl M Cr 3,05 0.28 8.40 2.46 3.23 1.59 Delta width: 0.1 Hz M Cho 0.24 6.10 Ma Cr2 3.92 0.12 8.20 1.54 M Lac 1.33 1.00 11.30 6.01 Add .. Edit. Delete Hide fit Automatic Subtract fit Show: Name Pos Ampl. Width Integral Fitting error: 33.6003 Break Apply Reset Close Help Before Automatic is Selected After Automatic is Selected GM_CHD PEDI_S GM_CHD PEDI_SPEC 00920783 : Integra 00920783 1 : Integral OID: R00268104 OID: R00268104 #5/17/2003, F, 22M #5/17/2003, F. 22M # 859896 # 859896 STUDY 859896 STUDY 859896 NAA 40 1:2.46 NAA 1: 3.48 1: 6.01 6.01 10 Ï: 3.48 0.5. 0.6 - 11.54 0.0- 0.4- Cr .0.5. 2.46 1.0 0.2 - 1.1.54 1.5 - 0.410 1:0.433 ppm ppm 3 sys se1 80 TR 1 192 / TA 4:48 c:HE1-4_nc_4 POS P38 58 F13 NA 192 / TA 4:48 c:HE1-4_nc_4 Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 Page 3 of 5 Job Aid | MR Spectroscopy - Peak Editor Postprocessing (A to E-line) Effective Date: 03/10/2020 | HOOD05162003069927 4. Save Customer Protocol Protocols a. Select Protocols > Save As Post-processing New Ctrl+N b. Enter Protocol Name Open ... Ctrl+O Select Save Re-Open c. Save Ctrl+S Save Protocol X Save As .. Protocol tree csi se 135 csi3d_se_prostate qa svs_se Protocols: Delete 1.0 T csi se 270 csi3d_se_prostate_singlet qa_svs st S M Siemens Edit .. 1.5 T 6 1H csi se 30 qa_csi_se_135 qa svs_st CM Customer Properties 31P csi_se_pediatric_135 qa_csi_se 270 qa_svs st 3.0 T csi_se_pediatric_30 qa csi se 30 Svs se 13 M In vivo Keep common General csi st 135 qa_csi_st 135 Svs se 27 Phantom csi st 20 [S qa_csi_st_20 Copy svs se 30 csi_st 270 [S] qa_csi_st_270 Paste svs se br csi3d se 135 S qa_fid Copy to All svs se br [S] csi3d_se_pediatric_135 Save Svs se br Export ... [S] csi3d_se_pediatric_30 [S] qa_svs_se_135 qa_svs__270 [S] svs_se_br Cance mport Help Protocol name: svs_se_135_lac Details 5. View Customer Protocol Saved a. Select Protocols > Open b. New Customer Protocol saved c. Select Cancel (closed window) Open Protocol x Protocol tree csi_se_135 [S] csi3d_se_prostate_singlet qa_svs_st 20 Protocols: 1.0 T csi se 270 [S qa_csi_se_135 S M Siemens 1.5 T qa_svs st 270 csi_se_30 S qa_csi_se_270 6 1H Svs se 135 CD Customel 31P csi_se_pediatric_135 S qa_csi_se_30 svs se 135 lac 3.0 T csi_se_pediatric 30 [S] qa_csi_st_135 svs se 270 In vivo General csi_st 135 [S] qa_csi_st_20 svs se 30 Phantom csi_st 20 qa_csi_st_270 svs se breast csi_st 270 [S qa_fid svs se breast int [S] csi3d_se_135 S qa_svs_se_135 svs_se_breast_int csi3d_se_pediatric_135 S qa_svs__27 svs_se_breast_ref Open [S] csi3d_se_pediatric_30 S qa_svs_se_30 svs_se_pediatric_ csi3d_se_prostate qa_svs_st_135 Cancel svs_se_pediatric_ Help Protocol name: DI Details Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 Page 4 of 5 Job Aid | MR Spectroscopy - Peak Editor Postprocessing (A to E-line) Effective Date: 03/10/2020 | HOOD05162003069927 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 (herein- after 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's Manual shall be used as your main reference, in particular for relevant safety information like warnings and cautions. 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. Copyright © Siemens Healthcare GmbH 2018 ………………………………………………………… Siemens Healthineers Headquarters Siemens Healthcare GmbH Henkestr. 127 91052 Erlangen, Germany Telephone: +49 9131 84-0 siemens.com/healthineers Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 Page 5 of 5