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How to use tMIP for Respiratory Gating Image Evaluation

How to Use t-MIP for Respiratory Gating Image Evaluation CT for Radiation Oncology Workflow t-MIPs or Temporal Maximum Intensity Projections are useful for evaluating tumors of the thorax in respiratory gated images. The t-MIP displays the maximum – or minimum – gray value seen within the images and includes all time points and breathing phase in- formation. 1. In the Patient Browser, select all of the individual phases of the gated study using the CTRL key. If all phases are combined in a single series, run the Conversion program to separate the phases into individual series. [1] Topogram 0.6 T20f [2] Resp 3 0 830 0 - 90 TRIGGER DELAY 20% [2] Resp 3.0 B30f 0 - 90 % [2] Resp 3 0 8301 0 - 90 TRIGGER DELAY 40% [2] Resp 3.0 8307 0 - 90 TRIGGER DELAY 70% [2] Resp 3 0 B301 0 - 90 TRIGGER DELAY 0% [2] Resp 3 0 8307 0 . 90 TRIGGER DELAY 10% [2] Resp 3 0 B301 0 - 90 TRIGGER_DELAY 90% [2] Resp 3.0 8307 0 . 90 TRIGGER_DELAY 30% [2] Resp 3 0 B301 0 - 90 TRIGGER_DELAY 80% [2] Resp 3 0 830 0 . 90 TRIGGER DELAY 50% Local Database Patient, Test RT RT_Resp (Adult [2] Resp 3 0 B301 0 - 90 TRIGGER_DELAY 60% Scheduler CCTA, OSU [3] Resp 3.0 B30f Average CT --- DVD GWU_5.M [501] Patient Protocol ..... 2. From the menu bar, click Evaluation > Evaluation Sort Options Help Image Manipulation > t-MIP. Image Manipulation Average ... Filter ... Subtract ... cm3 t-MIP Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 SIEMENS Master Template: EFF Date 22 Aug 17 | HOOD/HILS HOOD05162002647849 Healthineers Jobaid: Effective Date: 12/28/2014 | HOOD/HILS HOOD05162002113402 Job Aid | How to Use t-MIP for Respiratory Gating Image Evaluation Effective Date: 12/28/2014 | HOOD/HILS HOOD05162002113402 3. In the t-MIP window, click the desired output image – Maximum or Minimum. Typically the will be Maximum as it will show the maximum gray value of each pixel. Minimum may be useful in certain soft tissue areas, such as the liver. You may also label the series in the Re- sult Series Description field. L-MIP X Operands: Series Description Image Range 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER DELAY 0% 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 10% 1-84 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 20% 85-168 169-252 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 30% 253-336 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 40% 337-420 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 50% 421-504 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 60% 505-588 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 70% 589-672 5 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 80% 673-756 Maximum Minimum Result Series Description: tMaxIP_Various_1 OK Cancel Help Ready 4. While the data processes, you will see the filter icon at the bottom of the screen in the status bar. 5. When the processing is complete, the newly created series can be found in the Patient Brows- er. This series can now be sent to the treatment planning system for contouring. [602] tMaxIP_Various_1 /com/ // / / [5] 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 90% [5] 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 80% [5] 4DCT sup 3 2mm phases 0 - 90 TRIGGER_DELAY 70% Published by Siemens Healthcare GmbH © Siemens Healthcare GmbH, 2018 Page 2 of 3 Job Aid | How to Use t-MIP for Respiratory Gating Image Evaluation Effective Date: 12/28/2014 | HOOD/HILS HOOD05162002113402 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 3 of 3