ISMRM25 - Interventional MRI

ISMRM & ISMRT Annual Meeting & Exhibition • 10-15 May 2025 • Honolulu, Hawai'i

Interventional MRI

Traditional Poster

Monday, 12 May 2025

Building: Room: Exhibition Hall

13:45 - 14:45

Session Number: T-18

No CME/CE Credit

		4835. In vivo Feasibility of an MRI-visible Interventional Device Portfolio for Neuro-oncology Applications PDF Poster B. Kilbride, P. Su, A. Chu, D. Barry, T. Moore, K. Narsinh, D. Cooke, A. Martin, M. Wilson, S. Hetts University of California, San Francisco, San Francisco, United States Impact: Successful device integration into MRI-guided procedures enables real-time intraprocedural validation of deposition parameters and blood-brain barrier (BBB) permeability. Improved treatment efficacy could benefit patients with metastatic disease or neurodegenerative disorders requiring BBB disruption and IA therapy, among many other applications.
		4836. Physics-Driven Needle Tracking for MR-Guided Percutaneous Interventions PDF Poster S. Schwieters, E. Ilia, W. Brink University of Twente, Enschede, Netherlands Impact: Our approach shows potential to enable smoother guidance and increased accuracy during percutaneous interventions.
		4837. Real-time AI image reconstruction and instrument tracking in MR-guided biopsies PDF Poster S. Noordman, H. Weekenstroo, M. Maas, F. Simonis, J. Fütterer, H. Huisman Radboudumc, Arnhem, Netherlands Impact: A deep-learning temporal model utilizing spatiotemporal information achieved up to 16x undersampling rates for MR-guided prostate biopsy scans while maintaining accurate instrument tip positioning. This could enable real-time instrument tracking in interventional tasks, improving efficiency and usability.
		4838. Deep-Learning based Referenceless MR Thermometry Using Residual U-Net with Self-Attention Y. Zhao, S. Zong, Q. Yang, H. Wu, G. Shen, N. J. McDannold, C-S Mei Shanghai Jiao Tong University, Shanghai, China Impact: This work enhances MR thermometry in organs with respiratory motion by achieving accurate, real-time temperature measurements and overcoming regional phase variability, demonstrating its potential for broader clinical applications in dynamic thermal assessment.
		4839. Physics-Driven Passive Marker Tracking for MR-Guided Endovascular Interventions PDF Poster A. ter Braak, E. Ilia, M. Reinok, G. Dagnino, W. Brink University of Twente, Enschede, Netherlands Impact: Our physics-based approach allows for generating large annotated training datasets for passive marker detection, enabling robust tracking applications based on AI. This approach can improve the robustness during automated tracking of guidewires in MR-guided endovascular interventions.
		4840. A Novel Omnidirectional Marker for Catheter Tracking in endovascular MRI Applications at 0.55T PDF Poster A. Bhosale, Y. Zhao, L. Ying, X. Zhang The State University of New York at Buffalo, Buffalo, United States Impact: This research enhances real-time catheter tracking in MRI-guided procedures through an innovative omnidirectional catheter marker. Improved tracking accuracy can lead to safer interventions and better patient outcomes, ultimately increasing the effectiveness of interventional MRI in diverse clinical applications.
		4841. Fat fraction data-driven electrical properties digital twin model for guiding microwave ablation planning: a preliminary study PDF Poster Y. Ren, W. Ju, W. Yao, Y. Jia, X. Nan, J. Han Anhui Medical University, Hefei, China Impact: This approach offers a promising strategy for customizing ablative therapy, with the promise of more accurate patient-specific ablation predictions.
		4842. Theoretical and Experimental Assessment of Radiofrequency Shielding Artifacts of Laser-cut Venous Stents PDF Poster L. Regler, S. Reiss, K. Düring, W. Uller, M. Bock Division of Medical Physics, Dept. of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany, Freiburg, Germany Impact: This work provides a fundamental method to calculate RF-induced shielding from stent geometries. For laser-cut vein stents this information can be used to calculate the optimal excitation flip angle, or to modify the stent geometry to improve the in-stent luminosity.
		4843. Contributing factors and mitigation strategies of the cryoprobe-induced artifacts during MRI-guided cryoablation procedures PDF Poster A. Lu, S. Thompson, D. Adamo, D. Woodrum Mayo Clinic, Rochester, United States Impact: Applicators used in MRI-guided ablations can introduce artifacts that compromise the accuracy of the needle placement and treatment monitoring. Understanding the artifact sources and identify mitigation strategies is critical to improve the treatment efficacy.
		4844. Differentiable Image-Based Needle Localization in MR-Guided Interventions PDF Poster S. Garrow, W. Grissom Case Western Reserve University, Cleveland, United States Impact: Accurate needle localization is key to the safety and efficacy of interventional MR procedures. The proposed differentiable image-based method recovers needle position and pose accurately, regardless of needle-induced image distortions.
		4845. Safety and efficacy of MR-guided low intensity transcranial ultrasound stimulation for depression PDF Poster X. Cai, W. Sun, X. Zheng, N. Ding, Y. Liu, D. Meng, B. Yuan, X. Long Shenzhen Samii Medical Center, Shenzhen, China Impact: This study introduces a non-invasive MR-guided ultrasound therapy that effectively alleviates depression symptoms, marking a significant step forward in mental health treatment.
		4846. Assessment of 7-Tesla Magnetic Resonance Mediated Radiofrequency Ablation in Pig Joint Using Textile Monopole Antenna PDF Poster S. Ullah, S. Oh, H. Yoo Northwestern University, Chicago, United States Impact: In contrast to existing ablation designs which requires ground pads, this design for the pig knee joint delivers localized heating, minimizes tissue damage, no MR image distortion, and eliminates the need for external RF power sources.
		4847. Magnetic resonance acoustic radiation force imaging of deformations induced by acoustic holograms PDF Poster R. Willoughby University of Alabama at Birmingham, Birmingham, United States Impact: This study shows that MR-ARFI may be suitable for precise guidance of therapeutic mechanical stimulation by measuring the microscopic deformation of tissue induced by ultrasonic holograms.
		4848. Short and long-term breathing irregularities in MR navigator and bellow surrogates and enhancement of external-internal motion correlation PDF Poster A. Milewski, C. Wu, Y. Liu, V. Yu, J. Smink, R. Jafari, G. Li Memorial Sloan Kettering Cancer Center, New York, United States Impact: Both short-term and long-term respiratory irregularities were characterized. Keeping subjects awake through communication reduced irregularities and increased gating efficiency. Additionally, phase-shift correction improved the external-internal motion correlation, suggesting a higher fidelity in 4D-imaging surrogates and better internal motion prediction.
		4849. Development and Evaluation of an MRI-Guided Robotic System for Sacroiliac Joint Injections PDF Poster W. Loew, R. Monfaredi, G. Li, C. Dumoulin, I. Iordachita, K. Sharma, K. Cleary Cincinnati Children's Hospital Medical Center, Cincinnati, United States Impact: Minimally invasive injections through small needles are an essential tool in pain management for the diagnosis and treatment of chronic pain. High success requires good visualization of the targeted nerve and accurate needle placement which MRI-guided robotic intervention will provide.
		4850. Assessment of Real-Time PRFS Thermometry Feasibility and Accuracy at 0.55 T for Interventional Ablation Procedures and MRI Safety PDF Poster L. Schepers, A. Ahmed, E. Anttila, N. Ooms, J. Roll, W. Majeed, A. Krafft, F. Maier, H. B. Unal, B. Sharif, D. Gross MED Institute, West Lafayette, United States Impact: This study explored the accuracy of thermometry at 0.55T in simple homogenous phantoms while looking ahead to implementation in iMRI applications. Thermometry at 0.55T has potential for real-time temperature monitoring with a clinically relevant degree of accuracy.
		4851. Unsupervised anomaly detection based on diffusion models for needle detection in MR-guided interventions PDF Poster L. Guo, T. Guo, L. Chen, B. Qiu University of Science and Technology of China, Hefei, Anhui, China Impact: The proposed method is noise-robust and insensitive to shape characteristics, has the potential to be applied in real-time interventional magnetic resonance imaging (i-MRI)
		4852. 1.0T ultra-short cavity superconducting magnet design for intraoperative magnetic resonance PDF Poster q. zhang, y. xie, p. wang, h. du, y. zhou, l. chen, b. qiu Medical Imaging Center, Department of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, Anhui 230026, China, hefei, China Impact: The ultra-short cavity superconducting magnet makes intraoperative magnetic resonance real-time imaging possible and improves surgical accuracy.
		4853. Mimicking Transcranial Focused Ultrasound with a DC Loop Coil for Repeatable and Safe Development of Acoustic Radiation Force Imaging Methods K. Zarcone, A. Sharma, W. Grissom Case Western Reserve University, Cleveland, United States Impact: MR-ARFI has the potential to guide ultrasound neuromodulation, but its development is hindered by reproducibility and regulatory challenges. We used a DC loop coil to mimic the phase shifts produced by ultrasound in MR-ARFI, to enable MR-ARFI development in vivo.
		4854. Predictive Value of Skull-Related Parameters on Maximum Temperature During MRgFUS in Parkinson's Disease and Essential Tremor PDF Poster H. Lu, Y. Xiong, X. Lou The First Medical Center of PLA General Hospital, Beijing, China Impact: In this study, we found that indicators of local skull characteristics were able to predict maximum temperature more accurately, which contributes to preoperative patient screening.

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