Experimental Results for a Novel Microwave Radiator Structure

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Experimental Results for a Novel Microwave Radiator Structure Targeting Non-invasive Breast Cancer Detection Arezoo

Experimental Results for a Novel Microwave Radiator Structure Targeting Non-invasive Breast Cancer Detection Arezoo Modiri, Kamran Kiasaleh University of Texas at Dallas

This Study’s Goal Portable, Self-Examine Tool which compensates for the defects of mammography by

This Study’s Goal Portable, Self-Examine Tool which compensates for the defects of mammography by making check ups easier and more affordable for women and sending them to Xray or MRI monitoring only when a signature is detected. A preliminary prototype was built and tested – The design/simulation part of the project was done in Ansoft HFSS and the implementation and test parts were done through collaborations among electrical engineering, mechanical engineering and biology departments inside UTD.

Experimental Study Based on Simulation Analysis The following equations were calculated for a variety

Experimental Study Based on Simulation Analysis The following equations were calculated for a variety of tumors with different shapes placed at different locations. Ad (re din the flec g a tum sig tor con or nat ) covduct cas ure er ive es. s in en mo han st ces

Radiator Fabrication HFSS Model Solid Works Model 3 D Printing Dimension elite 3 D

Radiator Fabrication HFSS Model Solid Works Model 3 D Printing Dimension elite 3 D printer Mechanical Eng. Department 4

Creating Breast Phantom This phase of our study was done in biology lab using

Creating Breast Phantom This phase of our study was done in biology lab using one of the best recipes in the literature for microwave breast phantom created by Dr. Noghanian’s group in the University of North Dakota. The cancer tissue was donated to us by a patient. We had two trials and for each trial two breast phantoms were built, one of which had a donated breast tumor inside it. The tumor was placed inside the glandular tissue at the depth of almost 4 cm.

Signatures Acquired in Measurement During the experiment, the phantom and the radiator were resting

Signatures Acquired in Measurement During the experiment, the phantom and the radiator were resting on a bag of ice and water.

A common Network Analyzer was used for measurements & the measured data was analyzed

A common Network Analyzer was used for measurements & the measured data was analyzed in MATLAB to extract the cancer signatures out of phase and magnitude differences between the scattering parameters of the normal and cancerous tissues.

The Resonance Performance of the Antennas The resonance frequency is slightly shifted from that

The Resonance Performance of the Antennas The resonance frequency is slightly shifted from that of simulation.

Adding up The Signatures Achieved Over Frequency Range of Study

Adding up The Signatures Achieved Over Frequency Range of Study

Cumulative Signatures Over 0. 4 -2. 6 GHz As it is clear from the

Cumulative Signatures Over 0. 4 -2. 6 GHz As it is clear from the slope of the amplitude curves, 1 -1. 5 GHz has the highest signature.

Phase signatures are more difficult to interpret and need more study.

Phase signatures are more difficult to interpret and need more study.

Conclusion The measurements were taken over the frequency band of 0. 4 GHz- 2.

Conclusion The measurements were taken over the frequency band of 0. 4 GHz- 2. 5 GHz and the signatures were studied for single-frequency and multi-frequency scenarios. The results show that the tool detects the existence of a tumor successfully in both scenarios.

More Needs to Be Done More accurate simulation body models – Natural changes in

More Needs to Be Done More accurate simulation body models – Natural changes in tissue Designing the complete measurement unit – A detection device that is easily readable not only by a physician, but also by the user herself – Miniaturization Optimization of the radiation power and exposure duration Wearable design Human Subject Tests

Thank you! Any Questions? Arezoo. modiri@utsouthwestern. edu

Thank you! Any Questions? Arezoo. modiri@utsouthwestern. edu

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