- Quantitative assessment of ablation zone accuracy in 3D stack-of-spirals proton resonance frequency shift thermometry during clinical hepatic microwave ablationCONCLUSION: Clinical 3D stack-of-spirals PRFS thermometry enables feasible volumetric and spatial estimation during hepatic MWA, though residual deviations remain. Central slices approach clinically relevant precision despite susceptibility effects. Targeted correction strategies and faster reconstruction may enable reliable real-time thermometry for guiding and validating thermal therapies in the abdomen. Read more »
- Quantitative assessment of ablation zone accuracy in 3D stack-of-spirals proton resonance frequency shift thermometry during clinical hepatic microwave ablationCONCLUSION: Clinical 3D stack-of-spirals PRFS thermometry enables feasible volumetric and spatial estimation during hepatic MWA, though residual deviations remain. Central slices approach clinically relevant precision despite susceptibility effects. Targeted correction strategies and faster reconstruction may enable reliable real-time thermometry for guiding and validating thermal therapies in the abdomen. Read more »
- Value of Additional Systematic Cores During Magnetic Resonance Imaging-guided Targeted Biopsy in Prostate Cancer Screening for Young Men: Results from the PROBASE TrialCONCLUSIONS AND CLINICAL IMPLICATIONS: A relevant proportion of csPC cases were missed by two-core TBx, although they were correctly identified on MRI, suggesting limitations in targeting accuracy and/or the fusion technique. SBx cores or targeted perilesional sampling, particularly in young men with smaller prostate volume, might be a valuable complement… Read more »
- Temperature Mapping During MR-Guided Cryoablation Using a FLORET UTE SequenceCONCLUSION: FLORET-UTE enables quantitative 3-D MR thermometry of frozen tissue with Read more »
- Evaluation study of radial and spiral based volumetric thermometry for monitoring of hepatic microwave ablationMicrowave ablation (MWA) of hepatic tumors benefits from MR thermometry, enabling real-time temperature monitoring to guide treatment and protect healthy tissue. However, MR thermometry in the abdomen is challenging due to respiratory and intestinal motion. This study evaluates two advanced 3D imaging sequences, Stack-of-Stars (Stars) and Stack-of-Spirals (Spirals), for precise… Read more »
- Evaluation study of radial and spiral based volumetric thermometry for monitoring of hepatic microwave ablationMicrowave ablation (MWA) of hepatic tumors benefits from MR thermometry, enabling real-time temperature monitoring to guide treatment and protect healthy tissue. However, MR thermometry in the abdomen is challenging due to respiratory and intestinal motion. This study evaluates two advanced 3D imaging sequences, Stack-of-Stars (Stars) and Stack-of-Spirals (Spirals), for precise… Read more »
- Sarcopenia-A Valuable Imaging Biomarker for Disease Progression in Patients With Primary Sclerosing Cholangitis (PSC)?CONCLUSIONS: Sarcopenia is highly prevalent in a large PSC cohort from a tertiary care centre, even more frequent in female patients and in patients without concomitant IBD. Furthermore, the presence of sarcopenia in PSC patients is associated with an inferior liver-related event-free survival. Read more »
- Proof of concept for voice based MRI scanner control using large language models in real time guided interventionsIn clinical MRI-guided interventions, the lack of high-quality peripheral equipment and specialized interventional MRI systems often necessitates delegating real-time control of MRI scanners to an assistant. We proposed a voice-based interaction system powered by large language models that enabled hands-free natural language control of MRI scanners. The system leveraged multi-agent… Read more »
- Proof of concept for voice based MRI scanner control using large language models in real time guided interventionsIn clinical MRI-guided interventions, the lack of high-quality peripheral equipment and specialized interventional MRI systems often necessitates delegating real-time control of MRI scanners to an assistant. We proposed a voice-based interaction system powered by large language models that enabled hands-free natural language control of MRI scanners. The system leveraged multi-agent… Read more »
- Percutaneous Cryoablation of Central Liver Tumors with Thermal Protection of the Bile DuctCONCLUSION: According to our initial experience, percutaneous cryoablation of CLLT with simultaneous bile duct protection is technically feasible without an increased risk of biliary complications and local tumor recurrence. Read more »
- Prostate Cancer Detection in Younger Men: A Comparative Analysis of Systematic and Magnetic Resonance Imaging-targeted Biopsy in the PROBASE TrialThe optimal approach for prostate cancer (PC) screening, including the ideal starting age and most effective diagnostic method, remains under investigation. We evaluated the diagnostic performance of magnetic resonance imaging (MRI)-targeted biopsy (TBx) and systematic biopsy (SBx) in detecting clinically significant PC (csPC) in men aged 45-50 yr in PROBASE,… Read more »
- Improving necrosis estimation in MR-guided prostate focused ultrasound ablations with a probabilistic thermal dose modelFalse positive necrosis classification close to ablation zones in magnetic resonance (MR)-guided transurethral ultrasound ablation of the prostate poses an issue for real-time assessment of the treatment. Typically, apriori knowledge about transducers is utilized to filter temperature maps, thereby reducing false positives. Our innovation, however, lies in the ability of… Read more »
- Improving necrosis estimation in MR-guided prostate focused ultrasound ablations with a probabilistic thermal dose modelFalse positive necrosis classification close to ablation zones in magnetic resonance (MR)-guided transurethral ultrasound ablation of the prostate poses an issue for real-time assessment of the treatment. Typically, apriori knowledge about transducers is utilized to filter temperature maps, thereby reducing false positives. Our innovation, however, lies in the ability of… Read more »
- Flexible and wireless metasurface coils for knee and elbow MRICONCLUSION: Wireless MCs exhibited great potential for knee and elbow MRI outperforming the flex coil. Future developments will improve the posterior illumination to increase its clinical value. Read more »
- Flexible and wireless metasurface coils for knee and elbow MRICONCLUSION: Wireless MCs exhibited great potential for knee and elbow MRI outperforming the flex coil. Future developments will improve the posterior illumination to increase its clinical value. Read more »
- MRI features that predict progression of residual disease after ablation of extra-abdominal desmoid fibromatosisOBJECTIVE: To identify MRI features of desmoid tumors (DTs) that predict the growth of residual disease following ablation. Read more »
- Temperature Simulation of an Ablation Needle for the Prediction of Tissue Necrosis during Liver AblationBackground/Objectives: Microwave ablation (MWA) is the leading therapy method for treating patients with liver cancer. MWA simulation is used to further improve the therapy and to help develop new devices. Methods: A water-cooled ablation needle was reconstructed. MWA simulations of a polyacrylamide phantom were carried out and compared with a… Read more »
- Temperature Simulation of an Ablation Needle for the Prediction of Tissue Necrosis during Liver AblationBackground/Objectives: Microwave ablation (MWA) is the leading therapy method for treating patients with liver cancer. MWA simulation is used to further improve the therapy and to help develop new devices. Methods: A water-cooled ablation needle was reconstructed. MWA simulations of a polyacrylamide phantom were carried out and compared with a… Read more »
- MRI-compatible and sensorless haptic feedback for cable-driven medical robotics to perform teleoperated needle-based interventionsCONCLUSION: The presented SHF of the µRIGS system introduced a novel MR-compatible technique to bridge the gap between medical robotics and interaction during real-time needle-based interventions. Read more »
- MRI-compatible and sensorless haptic feedback for cable-driven medical robotics to perform teleoperated needle-based interventionsCONCLUSION: The presented SHF of the µRIGS system introduced a novel MR-compatible technique to bridge the gap between medical robotics and interaction during real-time needle-based interventions. Read more »