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MRI

Image: New approaches to 3D MRE sequences could help measure liver fibrosis and inflammation simultaneously in obese patients (Photo courtesy of KCL)

Non-Invasive MR Elastography Could Provide Alternative to Liver Biopsy in Obese Patients

Three-dimensional MR elastography (MRE) scans have the potential to simultaneously assess liver fibrosis and inflammation. However, existing 3D MRE methods present several challenges, such as multiple sequences, each requiring the patient to hold their breath, which can reduce the precision of the liver’s geometric alignment and hinder clinical acceptance. This issue is exacerbated in obese patients, as their high body mass index (BMI) can interfere with the penetration of mechanical waves. To address these challenges, researchers have investigated a new approach that involves a single breath-hold, which obese patients can more easily tolerate and reproduce. More...
17 Mar 2023
Image: New imaging tech produces real-time 3D maps of uterine contractions during labor (Photo courtesy of Pexels)

New Tool Images Uterine Contractions in Real Time to Identify High-Risk Pregnancies

Researchers have developed new imaging technology that can create 3D maps of uterine contractions in real-time, displaying both the magnitude and distribution of the contractions across the entire surface of the uterus during labor. Identifying the specific type of uterine contractions that cause premature birth or labor arrest can aid researchers in developing methods to slow or prevent the onset of these contractions. More...
16 Mar 2023
Image: The uMR Jupiter 5.0T is the world\'s first whole-body ultra-high field 5.0T MRI system (Photo courtesy of UIH)

World's First Whole-Body Ultra-High Field 5.0T MRI Visualizes Previously Unseen Anatomical Structures

United Imaging Healthcare (UIH, Warsaw, Poland) has unveiled the uMR Jupiter 5.0T, the world's first whole-body ultra-high field 5.0T MRI, for the first time internationally. More...
07 Mar 2023
Image: The HoloLens AR system superimposes anatomical features generated from MRI or CT scans onto the patient (Photo courtesy of NIH)

AR System Enables Free-Hand, Real-Time Needle Guidance for Prostate Cancer Diagnosis

Transperineal (TP) biopsy is one of the conventional methods used for diagnosing and treating prostate cancer. TP biopsy typically involves a pre-operation MRI scan and a transrectal ultrasound, with the images combined and displayed on a monitor for the urologist to visualize. However, 2D visualization of a 3D region can make the needle's guidance and visualization a challenging task. To address this issue, researchers have proposed an approach based on an augmented reality (AR) system called HoloLens. More...
06 Mar 2023
Image: Contrast-enhanced ultrasound vs. conventional ultrasound image (Photo courtesy of ICUS)

Enhanced Ultrasound Superior to MRI for Diagnosing Certain Liver and Kidney Tumors

Contrast-enhanced ultrasound (CEUS) is a non-invasive imaging tool that is routinely used across the world to identify and characterize cancers, diagnose heart and vascular disease, monitor chronic gastro-intestinal diseases and therapy. Now, two new studies have revealed that CEUS is more accurate and reliable than MRI for examining certain liver and kidney nodules. More...
27 Feb 2023
Image: Ultrafast MRI can help determine need to perform sentinel lymph node biopsy (Photo courtesy of Pexels)

Ultrafast MRI Predicts DCIS Upgrade to Invasive Cancer at Breast Surgery

Biopsy-proven ductal carcinoma in situ (DCIS) lesions are often upgraded to invasive cancer at surgery. As a result, accurate prediction of the likelihood of invasion can be helpful for surgical planning, including the need to perform sentinel lymph node biopsy (SLNB). Now, a new study has found that ultrafast (UF) MRI provides beneficial information that can be used in surgical planning, including determining the need for SLNB. More...
10 Feb 2023
Image: Researchers have used machine learning to advance Alzheimer’s research (Photo courtesy of CSIRO)

World-First Benchmark for Measuring Brain Atrophy Created Using `Fake` MRIs Developed via AI

Assessing the onset and progression of Alzheimer’s using brain MRI poses a challenge as changes in the thickness of the brain's cortex are extremely small, usually in the sub-millimeter range. Now, scientists have used AI to develop a world-first benchmark for measuring brain atrophy – or thinning - in neurodegenerative diseases, including Alzheimer’s disease. More...
08 Feb 2023
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MedImaging's MRI channel in addition to reporting on MR hardware, informs about the many magnetic resonance applications possible with the technique notably MRI, fMRI, diffusion MRI, MR angiography, MR guided surgery, in addition to industry developments, and safety issues.
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