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Latest in MRI
Fat Tissue Adipocytes
T2-weighted MRI shows promise for body composition analysis
February 21, 2025
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January 1, 2025
Images in an 18-year-old man with recurrent dislocations of the right shoulder. (A, B) Unenhanced coronal, (C) axial, and (D, E) sagittal deep learning super-resolution threefold parallel imaging -- accelerated turbo spin-echo MRI scans were obtained at 3-tesla field strength. (A) Coronal T2-weighted fat-suppressed (FS) and (B) coronal proton density (PD)-weighted MRI scans show a nondisplaced superior labral tear (arrows). (C) Axial proton density-weighted fat-suppressed, (D) sagittal T2-weighted fat-suppressed, and (E) sagittal T1-weighted MRI scans show continuation into a nondisplaced anteroinferior labral tear (arrows). All seven readers correctly diagnosed the arthroscopy-validated findings. (F) An arthroscopic photograph shows the anteroinferior labral tear (arrow). Image and caption courtesy of the RSNA.
7-minute shoulder MRI scans are feasible
February 18, 2025
2025 02 18 Radiology D Antonoli Figure1 Thumbnail
New AI model successfully segments anatomic structures in MR images
February 18, 2025
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More in MRI
T2-weighted MRI shows promise for body composition analysis
By Kate Madden Yee
Using deep learning with T2-weighted MR imaging is a feasible way to assess patients' body composition, researchers have reported.
February 21, 2025
Fat Tissue Adipocytes
Are white-matter hyperintensities found on MRI biomarkers for TBI?
By Kate Madden Yee
White-matter hyperintensities found on high-resolution FLAIR images on 3-tesla MRI aren't necessarily biomarkers for mild traumatic brain injury (TBI).
February 19, 2025
2025 02 19 Ajr Tanwar Figure2 Thumbnail
7-minute shoulder MRI scans are feasible
By Will Morton
A commercially available deep-learning (DL) algorithm can enable high quality seven-minute shoulder MRI exams.
February 18, 2025
Images in an 18-year-old man with recurrent dislocations of the right shoulder. (A, B) Unenhanced coronal, (C) axial, and (D, E) sagittal deep learning super-resolution threefold parallel imaging -- accelerated turbo spin-echo MRI scans were obtained at 3-tesla field strength. (A) Coronal T2-weighted fat-suppressed (FS) and (B) coronal proton density (PD)-weighted MRI scans show a nondisplaced superior labral tear (arrows). (C) Axial proton density-weighted fat-suppressed, (D) sagittal T2-weighted fat-suppressed, and (E) sagittal T1-weighted MRI scans show continuation into a nondisplaced anteroinferior labral tear (arrows). All seven readers correctly diagnosed the arthroscopy-validated findings. (F) An arthroscopic photograph shows the anteroinferior labral tear (arrow). Image and caption courtesy of the RSNA.
New AI model successfully segments anatomic structures in MR images
By Kate Madden Yee
A Swiss research team has developed and tested an AI model that automatically segments anatomic structures on MR images independent of sequence.
February 18, 2025
2025 02 18 Radiology D Antonoli Figure1 Thumbnail
Are low-field MRI units effective for neuroradiologic imaging?
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Are low-field MRI units effective for neuroradiologic imaging? Perhaps, say researchers from the University of Michigan in Ann Arbor.
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fMRI reveals a brain circuit for creativity
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Functional MRI (fMRI) has revealed a brain circuit for creativity, researchers from Mass General Brigham in Boston have reported.
February 13, 2025
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MRI model predicts pathologic features of liver cancer
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A new scoring model for MRI exams shows potential for improving the assessment of early recurrence in patients with hepatocellular carcinoma.
February 11, 2025
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Wash. bill would loosen supervision rules for RTs, MRI techs
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The state of Washington is considering a bill authorizing diagnostic radiologic technologists (RTs), therapeutic RTs, and MRI technologists to perform intravenous contrast procedures under "general supervision."
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Race influences headache diagnosis in children presenting to the ED
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Black or Hispanic children are less likely than their white peers to be diagnosed with migraine via MR imaging in pediatric emergency departments (ED).
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In 2024, the percentage of MRI procedures performed in an outpatient setting decreased by five percentage points to 66% of total MR procedures.
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Ferumoxytol-enhanced MRA is safe for chronic kidney disease patients
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Ferumoxytol-enhanced MR angiography (MRA) appears to be safe for chronic kidney disease patients, researchers have reported.
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Ultrafast MRI exam bests standard MRI for classifying breast cancers
By Amerigo Allegretto
An ultrafast MRI-based radiomics exam performs just as well as standard MRI and isn’t dependent on radiologist experience.
January 28, 2025
Ultrafast and standard MRI in a 30-year-old woman with triple-negative invasive ductal carcinoma. (A) Ultrafast MRI taken 16.8 seconds after contrast agent injection. (B) Standard MRI taken 58.8 seconds after contrast agent injection. Both images show an oval-shaped, irregular marginated, rim-enhancing mass in the left outer breast. For 3D tumor segmentation, the entire enhanced tumor margins were drawn from top to bottom of each tumor in axial views of U2 phase postcontrast ultrafast MRI and the initial phase postcontrast standard MRI. Among the 14 ultrafast images, U1 is the first phase in which the signal intensity of the hotspot region of interest of the tumor is 10% higher than the average signal intensity of unenhanced images. U2 is the immediate next phase of U1 and the well-established tumor enhancement time.
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