BIR IR(ME)R update 2023

Sep 27th, 2023Dec 31st, 1969
London
https://www.mybir.org.uk/l/s/community-event?id=a173Y00000GQN3bQAH
This event aims to provide an invaluable multidisciplinary forum in which to hear about current practice and the direction of flow of IRMER. This year the aim is to set radiation safety within the wider scheme of clinical governance and ethics.
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MRI casts light on patient outcome after heart attack
By Maryam Payne
Increased volume of fat tissue around the heart tends can be associated with greater myocardial damage after a heart attack, German researchers have reported.
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Cardiac MRI analysis can provide useful information on epicardial adipose tissue, infarct size, microvascular obstruction, and myocardial edema.
3D-printed prostheses bring hope in conflict zones
By Philip Ward
3D-printing allows for faster, lighter, more affordable, and highly customized prosthetic production, and the technology can help patients regain mobility.
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A smartphone is used to take an image for a 3D-printed prosthesis.
MRI proves effective for tracking results of obesity interventions
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MRI is a powerful tool to monitor skeletal muscle adaptations during lifestyle interventions for obesity, researchers noted.
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Lung cancer screening: How Croatia does it
By Maryam Payne
The Croatian lung cancer screening program, integrated into the national system and designed for equitable access, could serve as a model for other countries.
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AI comes under scrutiny in Swedish prostate MRI study
By Philip Ward
An AI system trained in a screening population has lower specificity than radiologists using PI-RADS v2, but considerable care is vital, researchers from Gothenburg reported in European Radiology on 8 December.
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Example case from test set with biparametric MRI data, reference segmentation, and output from AI system. The primary MRI assessment resulted in a PI-RADS 5 lesion in the left dorsal part of the peripheral zone and a PI-RADS 4 lesion in the right dorsal part of the peripheral zone (PSA of 11.6 μg/L). Targeted biopsies from both areas showed ISUP-grade 3. All images are from the same slice location, showing a part of both lesions. A T2-weighted (T2W) image. B Diffusion-weighted image with a b-value of 1,500 s/mm2. (C) Apparent diffusion coefficient map. (D) Reference segmentation with white areas representing tumor. (E) Softmax output from AI system. Inset in the lower left corner shows the detection map (cropped around the prostate) with red voxels representing softmax values of 0.99 and yellow voxels representing softmax values of 0.59. (F) T2W image with reference (D) and detection map (inset in E) overlayed, green represents areas in which both the reference and the AI output are positive (true positive voxels for AI), red only positive in reference (false-negative voxels for AI) and blue only segmented by AI (false-positive voxels for AI).
Molecular imaging can trigger 'next revolution' in radiology
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Challenging inequity: ESR group spells out why it matters
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PET/MRI detects ‘unknown’ generators of musculoskeletal pain
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Potential pain generators were identified by increased F-18 FDG radiotracer uptake on PET and/or structural abnormalities on MRI.
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Low-cost digital workflows using 3D printing and AI-assisted model-building can prove valuable for preoperative planning.
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Postoperative 3D volume rendering of the fenestrated endograft reconstruction: 3D volume-rendered reconstruction obtained in Horos using the standard soft-tissue preset. The image displays the postoperative appearance of the fenestrated endograft and visceral stents, extending from the descending thoracic aorta to the iliac bifurcation, acquired during the follow-up CT angiogram one month after the procedure. The reconstruction shows patent visceral branches with well-perfused stents, absence of endoleak, and successful restoration of the previously disconnected left limb with adequate iliac perfusion.
Cryoablation treats early-stage breast cancer in older women
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Cryoablation is effective in treating early-stage breast cancer in older women who do not undergo surgery, a team from Madrid reported at RSNA 2025.
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Stent procedure proves safe in pediatric liver transplant cases
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Biodegradable stents appear safe and effective for treating narrowing of the bile ducts in children after liver transplants, Italian researchers noted at RSNA 2025.
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Radiology must persevere with sustainability efforts
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It's crucial to reduce medical imaging's energy use and waste to mitigate the effect of global warming, warns RSNA 2025 keynote speaker Dr. Geraldine McGinty.
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