Isherwood

Feb 27, 2019

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).

AI comes under scrutiny in Swedish prostate MRI study

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Molecular imaging can trigger next revolution in radiology

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AI comes under scrutiny in Swedish prostate MRI study

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.

December 9, 2025

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).

GEHC secures radiation therapy, AI deals

By AuntMinnieEurope.com staff writers

GE HealthCare (GEHC) announced two major collaborations for its existing and new imaging technology at RSNA 2025.

December 8, 2025

Siemens emphasizes AI, interventional technology at RSNA 2025

By Erik L. Ridley

Siemens expanded its AI and interventional imaging technology portfolio at RSNA 2025 in Chicago.

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Siemens Healthineers Syngoct C Cockpit aap Zps Jiq Q

Molecular imaging can trigger next revolution in radiology

By Amerigo Allegretto

Molecular imaging will play a key role in precision medicine, and radiology will be at the forefront in ensuring the best patient outcomes, predicts RSNA President Dr. Umar Mahmood, PhD.

December 8, 2025

Screenshot 82 n L Dg Mpjn V1 Thumbnail

Challenging inequity: ESR group spells out why it matters

By Maryam Payne

Radiology staff must recognize how inequities in imaging affect patients from minority groups, says the ESR subcommittee on equity, diversity, and inclusivity.

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Color Profiles Res

PET/MRI detects ‘unknown’ generators of musculoskeletal pain

Potential pain generators were identified by increased F-18 FDG radiotracer uptake on PET and/or structural abnormalities on MRI.

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Cryoablation treats early-stage breast cancer in older women

By Amerigo Allegretto

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.

December 4, 2025

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Eckert & Ziegler to supply SK Biopharmaceuticals with actinium-225

By AuntMinnieEurope.com staff writers

SK Biopharmaceuticals has signed an agreement with Eckert & Ziegler to provide actinium-225 (Ac-225) to accelerate R & D in radiopharmaceutical therapies.

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By AuntMinnieEurope.com staff writers

Mars Bioimaging has sold a spectral photon counting CT scanner to Charles University in Prague.

December 4, 2025

Mars Microlab 5X120 spectral photon-counting CT scanner.

Stent procedure proves safe in pediatric liver transplant cases

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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GE HealthCare features new MRI scanners, PCCT system

By Erik L. Ridley and Kate Madden Yee

Two new MRI scanners and a photon-counting CT (PCCT) system are among the RSNA 2025 highlights for GE HealthCare.

December 3, 2025

Ge Technology Photo

Perspectum, InHealth join forces to expand U.K. MRI access

By AuntMinnieEurope.com staff writers

Perspectum and InHealth have announced a national diagnostics partnership to expand access to advanced MRI and increased capacity in the U.K.

December 2, 2025

Mri Scanner2 400

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