ACUSON Maple 1.0 Elastography Quick card

Quick Reference Card Strain Imaging – == Virtual Touch technologies and Healthingets eSie Touch elasticity imaging ACUSON Maple Ultrasound System siemens-healthineers.com/maple Strain Imaging1 is an innovative ultrasound method that allows a qualitative assessment of relative tissue stiffness Step 1 Elasticity • Position the patient to obtain perpendicular plane to skin surface for optimal axial 12L3 IR Breast motion Tx Power 100% MI 0.94 TIS 0.2 Position compatible transducer1 over area TIB 0.2 • SC 2 of interest and optimize B-mode image DTCE High Dyn R 68 dB THI 10.0 MHZ • Select the Elasticity tab on Touch Screen 1 dB 12 fps HD QF 90 • Roll the trackball to position region of interest (ROI) • Press the Set key and roll trackball to resize ROI Note: The B-mode image and elastogram display in live, dual format (Fig. 1). Fig. 1: Left: B-mode image with ROI. Right: B-mode image with corresponding The elasticity imaging bar (located ROI displaying elastogram. above the grayscale bar) represents the range of gray or color shades Note: This Quick Reference Card uses the term “Strain imaging” to refer to “eSie Touch™ elasticity imaging” displayed as “eSie Touch” under the “Elasticity” tab on the ultrasound available for depicting tissue stiffness system. from SF (soft) to HD (hard). 1 Strain Imaging is compatible with transducers 16L4, 13L4, 12L3, 11L4: Breast, Thyroid; 18H5: Thyroid. SIEMENS Healthineers . Step 2 12L3 Breast MI 1.17 TIS 0.2 • Use minimal compression; avoid lateral or TIB 0.2 SC 2 rocking motion DTCE High Dyn R 68 dB THI 8.4 MHZ -2 dB Tip: Patient respirations or cardiac motion may 11 fns QF O be sufficient. • Adjust axial motion or cease lateral movement if gray overlay box appears on elastogram (Fig. 2) • Maintain QF > 50 4 cm Note: The system displays a real-time quality factor (QF) score. A QF value > 60 (Fig. 1) indicates minimal global motion artifact. A QF value < 50 (Fig. 2) indicates a less than optimal Fig. 2: A gray overlay box on the elastogram indicates insufficient or result; in this case, perform another excessive axial motion or lateral movement. acquisition. Step 3 501 16L4 12L3 Add Exam Optimize the elastogram and then press 2D Elasticity eSieScan • Freeze; review cine to obtain desired frames eSie Touch > • Rotate Zoom on the Control Panel to magnify the image Clear L/R Flip El Color Screen Split • If desired, select EI Color to select a color Hide Patient U/D Flip El Map Index map Image If desired, select EI Map Index: Param Exit • 0: Standard default map - 1: Normalized map (compensates for - non-uniform stress applied with transducer) 2: Inverted map - • Select Exit to exit elasticity imaging 2 siemens-healthineers.com/maple Measurements Shadow Shadow Duplicates and displays a measurement on the adjacent image for a comparison of lesion size and/or location. Tip: Shadow may be used with the • On a live or frozen image, press Caliper strain ratio or EI/B ratio. • Select Shadow • Measure the right or left image • Select Caliper to exit measurements Strain Ratio Compares the relative stiffness of tissue within two ROIs Strain Ratio (e.g., compares average strain of a lesion and average strain of the surrounding tissue). Strain ratio = 1: On a frozen image, press Caliper Stiffness of tissue in both ROIs is equal • • Select Strain Ratio Strain ratio > 1: Lesion is harder than surrounding tissue • Place ROI 1 (ellipse) in surrounding tissue and press the Set key Strain ratio < 1: • Place ROI 2 (ellipse) in lesion (same size and at same depth) Lesion is softer than surrounding tissue and press the Set key Note: Results reflect placement of ROI 1 in Tip: ROI size may be adjusted by rotating the Select rotary control surrounding tissue; results will differ if ROI 1 is placed in lesion. located on the control panel. Strain ratio and average strain (%) for both ROIs are displayed in the measured results. Tip: Strain Ratio is not available when using EI Color. Distance Ratio or Area Ratio Elasticity imaging/B-mode (EI/B) ratio May be used as an indication of the likelihood of malignancy in breast lesions. When the ratio is > 1, the probability of malignancy is high.1 More On a frozen image, press Caliper % • • Select More Dist Ratio Area Ratio • Select Dist Ratio or Area Ratio 1 A 0.31 cm2 B 0.11 cm2 • Measure lesion on elastogram and press Set key A/B 2.81 BIA 0.36 • Measure lesion on B-mode image (A-B)/A 0.64 • The EI/B ratio is represented by the A/B ratio in the measurement display area 1 Barr, R. G., De Silvestri, A., Scotti, V., Manzoni, F., Rebuffi, C., Capittini, C. and Tinelli, C. (2019), Diagnostic Performance and Accuracy of the 3 Interpreting Methods of Breast Strain Elastography: A Systematic Review and Meta-analysis. J Ultrasound Med, 38: 1397-1404. doi:10.1002/jum.14849. siemens-healthineers.com/maple 3 For the proper use of the software or hardware, please always use At Siemens Healthineers, we pioneer breakthroughs in healthcare. the Operator Manual or Instructions for Use (hereinafter collectively For everyone. Everywhere. By constantly bringing breakthrough “Operator Manual”) issued by Siemens Healthineers. This material is innovations to market, we enable healthcare professionals to deliver to be used as training material only and shall by no means substitute high-quality care, leading to the best possible outcome for patients. the Operator Manual. Any material used in this training will not be updated on a regular basis and does not necessarily reflect the latest Our portfolio, spanning from in-vitro and in-vivo diagnostics version of the software and hardware available at the time of the to image-guided therapy and innovative cancer care, is crucial training. The Operator Manual shall be used as your main reference, for clinical decision-making and treatment pathways. With our in particular for relevant safety information like warnings and strengths in patient twinning, precision therapy, as well as digital, cautions. data, and artificial intelligence (AI), we are well positioned to take on the biggest challenges in healthcare. We will continue to build Note: Some functions shown in this material are optional and might on these strengths to help fight the world’s most threatening not be part of your system. diseases, improving the quality of outcomes, and enabling access to care. Certain products, product related claims or functionalities described in the material (hereinafter collectively “Functionality”) may not We are a team of 66,000 highly dedicated employees across (yet) be commercially available in your country. Due to regulatory more than 70 countries passionately pushing the boundaries requirements, the future availability of said functionalities in of what’s possible in healthcare to help improve people’s lives any specific country is not guaranteed. Please contact your local around the world. 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. ACUSON Maple, eSie Touch elasticity imaging and Virtual Touch imaging are trademarks of Siemens Medical Solutions USA, Inc. Siemens Healthineers Ultrasound owns the rights to all images. Siemens Healthineers Headquarters Manufacturer Siemens Healthineers AG Siemens Medical Solutions USA, Inc. Siemensstr. 3 Ultrasound 91301 Forchheim, Germany 22010 S.E. 51st Street Phone: +49 9191 18-0 Issaquah, WA 98029, USA siemens-healthineers.com Phone: 1-888-826-9702 siemens-healthineers.com/ultrasound Published by Siemens Medical Solutions USA, Inc. · QR700002308 · 14398 1123 online · ©Siemens Medical Solutions USA, Inc., 2023