Erik L. Ridley and Philip Ward

AI
RadNet broadens AI focus with acquisitions of Aidence, Quantib
Imaging services provider RadNet has acquired Dutch artificial intelligence (AI) software developers Aidence and Quantib in deals that the company hopes will enable wide-scale screening programs for lung and prostate cancer.
January 23, 2022
2021 07 16 16 27 9194 Artificial Intelligence Ai Abstract 400
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F-18 fluciclovine PET/CT images in a 59-year-old man with biochemical recurrence after prostatectomy (prostate-specific antigen level, 0.42 ng/mL; Gleason score, 5 + 4 = 9; T3BN1M0). (A) Coronal PET and (B) maximum intensity projection images show multiple retroperitoneal lymph nodes with abnormal radiotracer uptake (arrows). (C) Axial PET and (D) axial fused PET/CT images show the index lesion (arrow), measuring 13 × 10 mm, on the right precaval lymph node. The initial decision to offer radiation therapy to the prostate bed and pelvis was changed to a decision not to offer radiation therapy.
Molecular Imaging
PET/CT guides treatment in men with recurrent prostate cancer
F-18 fluciclovine and Ga-68 PSMA-11 PET/CT have similar benefits for sRT planning, in terms of improving cancer control without increased toxicity.
Patient Cancer Doctor 400 (1)
AI
Most patients want to know if AI being used for imaging reports
An example of machine learning–based multiorgan body composition assessment (TotalSegmentator V2.0.4, 1.5-mm high-resolution model) in a 63-year-old man with obstructive coronary artery disease and a skeletal muscle attenuation below the median. (A) Transverse, (B) coronal, and (C) sagittal CT images and curved planar reformations of the (D) left, (E) circumflex, and (F) right coronary arteries.
CT
Low muscle density on coronary CT linked to heart risk
The Invisible Force Podcast Album Cover Auntminnie Jan 2026 Thumbnails
MRI
Podcast: The pivotal MRI accident that launched MRI safety
Radiological Report 400
Ultrasound
ASE: Simple 'nudge' on echo reports improves aortic stenosis follow-up
More in Home
PET/CT guides treatment in men with recurrent prostate cancer
By Will Morton
F-18 fluciclovine and Ga-68 PSMA-11 PET/CT have similar benefits for sRT planning, in terms of improving cancer control without increased toxicity.
June 30, 2026
F-18 fluciclovine PET/CT images in a 59-year-old man with biochemical recurrence after prostatectomy (prostate-specific antigen level, 0.42 ng/mL; Gleason score, 5 + 4 = 9; T3BN1M0). (A) Coronal PET and (B) maximum intensity projection images show multiple retroperitoneal lymph nodes with abnormal radiotracer uptake (arrows). (C) Axial PET and (D) axial fused PET/CT images show the index lesion (arrow), measuring 13 × 10 mm, on the right precaval lymph node. The initial decision to offer radiation therapy to the prostate bed and pelvis was changed to a decision not to offer radiation therapy.
Most patients want to know if AI being used for imaging reports
By Amerigo Allegretto
Most patients want disclosure about whether AI is being used for their imaging reports.
June 30, 2026
Patient Cancer Doctor 400 (1)
Low muscle density on coronary CT linked to heart risk
By Will Morton
Patients with skeletal muscle attenuation below the median had a higher risk of mortality and myocardial infarction.
June 30, 2026
An example of machine learning–based multiorgan body composition assessment (TotalSegmentator V2.0.4, 1.5-mm high-resolution model) in a 63-year-old man with obstructive coronary artery disease and a skeletal muscle attenuation below the median. (A) Transverse, (B) coronal, and (C) sagittal CT images and curved planar reformations of the (D) left, (E) circumflex, and (F) right coronary arteries.
Podcast: The pivotal MRI accident that launched MRI safety
By Liz Carey
What went wrong that prompted MRI safety protocols in the radiology community.
June 30, 2026
The Invisible Force Podcast Album Cover Auntminnie Jan 2026 Thumbnails
ASE: Simple 'nudge' on echo reports improves aortic stenosis follow-up
By Amerigo Allegretto
An automated reminder in echo reports can improve follow-up rates for patients with severe aortic stenosis.
June 29, 2026
Radiological Report 400
Years-smoked criteria may improve lung cancer screening eligibility
By Amerigo Allegretto
Smoke duration thresholds could help improve lung cancer screening with low-dose CT.
June 29, 2026
Cigarette Smoker Closeup 400
Nearly half of mCRPC patients never receive second-line treatment
By Will Morton
ARPIs were the most common first-line treatment (79.3%) and remained the most common second-line treatment (41.1%).
June 29, 2026
Prostate
Opportunistic screening can reveal osteoporotic vertebral fractures
By Erik L. Ridley
A new study demonstrates the potential of opportunistic screening in improving osteoporosis care.
June 23, 2026
Spine Osteoporosis Leesle
Blood-based testing could improve prostate cancer screening with MRI
By Amerigo Allegretto
Adding the Stockholm3 blood-based biomarker test could help improve prostate cancer screening with MRI.
June 22, 2026
Prostate Cancer 400
Advancing precision medicine through quantitative imaging
By Liz Carey
Coalition develops international QI technical standards across all imaging modalities, envisions credentialed centers.
June 22, 2026
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"Dirty" brain white matter shows no link to dementia in older adults
By Kate Madden Yee
The findings could reframe how clinicians and researchers interpret this imaging abnormality.
June 22, 2026
Examples of DAWM on FLAIR MRI slices. Transversal slices of 1.5T FLAIR MRI scans. For visualization only, brains were skull-stripped and DAWM is shown with dotted lines (occipital DAWM is red, parietal DAWM is orange). Top row images (25% of lobar WM) show larger, more confluent configurations of DAWM, extending beyond the slices shown here.
New PET tracer shows promise for guiding pancreatic cancer therapy
By Will Morton
The radiotracer is designed to identify pancreatic tumors eligible for paired therapy with cancer-killing actinium-225 (Ac-225) NMT25.
June 19, 2026
Transaxial Zr-89 NMK89 PET/CT images 1, 24, 72, and 168 hours after injection showing increasing uptake in pancreatic tail adenocarcinoma. Maximum standard uptake value (SUV) in the pancreatic mass is 14 at 168 hours post-injection (crosshairs). PET SUV scale used for windowing was 0 to 10.
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