Clinical News

MRI highlights worse muscle health from ultra-processed foods
By Erik L. Ridley
A study has found that ultra-processed food consumption is tied to higher thigh-muscle fat infiltration on MRI.
April 14, 2026
Representative axial T1-weighted spin-echo thigh MRI scans in (A) a 61-year-old female participant and (B) a 62-year-old female participant. Both participants were of similar age and body mass index (BMI, calculated as weight in kilograms divided by height in meters squared). Both had Physical Activity Scale for the Elderly scores above the mean score in the study. According to the World Health Organization definition, the participant in B qualified as having abdominal obesity (abdominal circumference ≥ 88 cm). Abdominal circumference is a measure of central obesity that captures fat distribution and serves as an indicator of cardiometabolic health. Compared with the participant in A, the participant in B had a higher proportion of ultra-processed food (UPF) in their diet (87.1% vs 29.5%) and exhibited fattier thigh muscles bilaterally, with Goutallier grade (GG) for all thigh muscles summing to 25 for the participant in A and 38 for the participant in B.
MRI-guided ultrasound ablation outperforms surgery in prostate cancer
By Will Morton
TULSA may allow patients to recover more quickly and maintain a better quality of life following treatment.
April 14, 2026
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Abbreviated breast MRI after chemotherapy comparable to full protocol
By Kate Madden Yee
The findings could translate into more tailored patient care, researchers noted.
April 14, 2026
Post-neoadjuvant chemotherapy (NAC) MRI scans in a 66-year-old woman with invasive breast cancer show a lesion that appears fragmented in the first postcontrast axial T1-weighted image (arrow in A) but becomes more conspicuous and homogeneous in the last delayed phase (arrow in B). Despite these visual differences, response classification was identical between abbreviated and full diagnostic MRI. Pathologic analysis confirmed a partial response with residual invasive carcinoma.
ARRS: CTA may have key role in imaging SCAD
By Amerigo Allegretto
CTA could be a viable imaging technique in imaging sudden coronary artery dissection (SCAD), an ARRS presentation suggested.
April 14, 2026
Brian Ghoshhajra, MD, presents the case for CT angiography (CTA) as an optimal imaging test for sudden coronary artery dissection (SCAD) at ARRS 2026.
MRI shows link between aneurysm and cumulative combat blast exposure
By Kate Madden Yee
"These findings suggest that repeated blast exposure may leave a measurable vascular signature in the brain," researchers noted.
April 14, 2026
Representative axial time-of-flight MR angiography image in a 39-year-old male participant shows a laterally projecting intracranial aneurysm (arrow) originating from the right cavernous segment of the internal carotid artery.
ARRS: Do GLP-1 drugs confound FDG-PET imaging scans?
By Will Morton
No significant differences in FDG uptake were observed in the skeletal muscle, liver, blood pool, or abdominal fat following GLP-1 agonist therapy.
April 13, 2026
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ARRS: How should breast imagers develop surveillance strategies?
By Amerigo Allegretto
An ARRS presentation explored surveillance imaging strategies for breast cancer survivors.
April 13, 2026
Derek Nguyen, MD, shares insights on surveillance imaging strategies for women with a personal history of breast cancer at ARRS 2026.
Population-level lung cancer rate higher than NLST rate
By Kate Madden Yee
Researchers reported a higher lung cancer detection rate after a shorter follow-up period.
April 13, 2026
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Stent therapy effective for post-thrombotic syndrome
By Will Morton
Stented patients also reported significantly greater improvement in self-reported quality of life compared with controls.
April 13, 2026
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ARRS: MBI has considerations for streamlining breast imaging workflows
By Amerigo Allegretto
An ARRS presentation addressed how MBI workflows can be streamlined.
April 13, 2026
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Report: 2026 cancer rates projected to remain high in Canada
By Kate Madden Yee
The findings underscore the need for caregivers to stay informed regarding incidence of the disease.
April 13, 2026
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New PET tracer shows promise in dementia
By Will Morton
SV2A PET may offer a robust, sensitive biomarker for disease staging, treatment monitoring.
April 10, 2026
(A) Averaged parametric images of F-18 SynVesT-1 BPND values and (B) F-18 FDG SUVR (60–90 minutes) values overlaid on anatomical (T1) images in MNI space show group differences between behavioral variant frontotemporal dementia (top) and healthy controls (middle). The color scale represents (A) BPND and (B) SUVR values. On the bottom, average z-score maps were generated to visualize regional reductions in F-18 SynVesT-1 BPND and F-18 FDG SUVR in bvFTD relative to healthy controls. For each voxel, z-scores were calculated as z = (bvFTD−meanHC )/SDHC. Negative z-scores indicate lower synaptic density or glucose metabolism in the bvFTD compared with controls in the regions. BPND, non-displaceable binding potential; bvFTD, behavioral variant frontotemporal dementia; F-18 FDG, F-18 fluorodeoxyglucose; MNI, Montreal Neurological Institute; SUVR, standardized uptake value ratio.
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