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Research leaps MR barrier
Seminal research in Europe has found that artifacts encountered at very high strength MR fields can be overcome without endangering patient safety. A study published in the September issue of the British Journal of Radiology produced submillimeter
Seminal research in Europe has found that artifacts encountered at very high strength MR fields can be overcome without endangering patient safety. A study published in the September issue of the British Journal of Radiology produced submillimeter in-plane resolution of the brains of 10 healthy subjects using a fast spin-echo sequence optimized to work in a 4.7T environment.
Researchers at University College London optimized the number of echoes, the repetition time, and the time spent acquiring each echo to conform with U.K. safety guidelines (4 watts/Kg in the head) for specific absorption rate. They obtained uniform T2-weighted contrast images, despite substantial radio-frequency nonuniformity, by using a four-channel birdcage RF coil that allowed less sensitivity in the central coil region.
Study Reaffirms Low Risk for csPCa with Biopsy Omission After Negative Prostate MRI
December 19th 2024In a new study involving nearly 600 biopsy-naïve men, researchers found that only 4 percent of those with negative prostate MRI had clinically significant prostate cancer after three years of active monitoring.
Study Examines Impact of Deep Learning on Fast MRI Protocols for Knee Pain
December 17th 2024Ten-minute and five-minute knee MRI exams with compressed sequences facilitated by deep learning offered nearly equivalent sensitivity and specificity as an 18-minute conventional MRI knee exam, according to research presented recently at the RSNA conference.
Can Radiomics Bolster Low-Dose CT Prognostic Assessment for High-Risk Lung Adenocarcinoma?
December 16th 2024A CT-based radiomic model offered over 10 percent higher specificity and positive predictive value for high-risk lung adenocarcinoma in comparison to a radiographic model, according to external validation testing in a recent study.
