Faster scans and better image quality may result from a technique developed by researchers at the University of Wisconsin in Madison. Rather than using the conventional approach, which sweeps horizontally to gather MR data, the UW technique acquires the body’s signals radially.
Faster scans and better image quality may result from a technique developed by researchers at the University of Wisconsin in Madison. Rather than using the conventional approach, which sweeps horizontally to gather MR data, the UW technique acquires the body's signals radially.
"We can essentially acquire data during the whole scan," said Walter Bock, an associate professor of biomedical engineering and medical physics, who developed the technique. "In a conventional case, a lot of time is spent either prepping or returning to the steady state so that you can do the next acquisition. What we're doing now is a study that you can visualize in any plane in about the same time as people are doing one plane."
Block's technique achieves an advantage, he said, by exploiting the difference in resonant frequencies between fat and water, maximizing each component of the image, so that any aspect can be visualized.
The technique, which has been patented through the Wisconsin Alumni Research Foundation, also will make it easier to image other parts of the body, particularly those in which motion is a factor, such as the heart or abdomen.
MRI-Based AI Radiomics Model Offers 'Robust' Prediction of Perineural Invasion in Prostate Cancer
July 26th 2024A model that combines MRI-based deep learning radiomics and clinical factors demonstrated an 84.8 percent ROC AUC and a 92.6 percent precision-recall AUC for predicting perineural invasion in prostate cancer cases.
Breast MRI Study Examines Common Factors with False Negatives and False Positives
July 24th 2024The absence of ipsilateral breast hypervascularity is three times more likely to be associated with false-negative findings on breast MRI and non-mass enhancement lesions have a 4.5-fold likelihood of being linked to false-positive results, according to new research.
Can Polyenergetic Reconstruction Help Resolve Streak Artifacts in Photon Counting CT?
July 22nd 2024New research looking at photon-counting computed tomography (PCCT) demonstrated significantly reduced variation and tracheal air density attenuation with polyenergetic reconstruction in contrast to monoenergetic reconstruction on chest CT.