Erik L. Ridley

2024 Artificial Intelligence Preview
Large study finds benefit for AI in acute pulmonary embolism
AI can assist radiologists in detecting acute cases of pulmonary embolism, according to the results of a large, prospective study.
November 13, 2024
2024 Artificial Intelligence Preview
3D body composition analysis of whole-body MRI can predict mortality
3D body composition analysis on whole-body MRI exams can be prognostic for mortality risk in the general population, according to this scientific presentation.
November 13, 2024
2024 Artificial Intelligence Preview
Multimodal AI predicts prostate cancer treatment outcome
A computer-vision-based AI model that incorporates assessment of clinical variables can predict treatment outcomes in prostate cancer patients.
November 13, 2024
2024 Artificial Intelligence Preview
AI helps spot unsuspected vertebral fractures in cancer patients
Researchers from France found that an AI algorithm could find incidental vertebral fractures in cancer patients that weren’t initially detected.
November 13, 2024
2024 Artificial Intelligence Preview
Body composition analysis foretells survival in esophageal cancer patients
Automated 3D body composition CT analysis software can predict shorter survival in patients with esophageal cancer.
November 13, 2024
2024 Artificial Intelligence Preview
AI is making teleradiology better and faster
AI is improving the quality and speed of radiological reporting for a teleradiology network in Germany and Austria.
November 13, 2024
25 for 25
AuntMinnie 2020: COVID-19 can be seen on CT scans outside the chest
In 2020, our most highly viewed article reported on research that described how COVID-19 patients may initially present with non-respiratory symptoms.
November 1, 2024
Am Logo Main 25 Anniversary Thumbnail 66635a3c44252 66ae4e8a1f10e
Clinical News
CMIMI RADCast Roundup: Radiology AI success strategies | Advances in LLMs | Multidisciplinary collaboration
Practical suggestions for implementing radiology AI and developments in large language models were among the highlights at this year's CMIMI meeting.
October 23, 2024
CMIMI 2024
CMIMI: LLMs can monitor AI software after deployment
A study presented at CMIMI 2024 showcased the potential for LLMs to aid in postdeployment monitoring of AI algorithms.
October 22, 2024
Theo Dapamede, MD, PhD.
CMIMI 2024
Video from CMIMI: Advances in large language models and other AI trends
We caught up with Eliot Siegel, MD, of the University of Maryland to discuss highlights so far from the Conference on Machine Intelligence in Medical Imaging (CMIMI).
October 22, 2024
2024 10 22 Eliot Siegal Interview
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Top Stories
3D medical illustration of human heart with coronary arteries glowing in orange and red against blue background
Cardiac Imaging
MRI shows no ties between COVID, future heart inflammation
A study of recovered COVID and non-COVID patients revealed no significant differences in heart inflammation on cardiac MRI exams.
PET scan comparison showing SAFOV baseline and 1-minute and 5-minute time-point imaging with tracer uptake patterns
Molecular Imaging
EANM: Next-generation PET scanner cuts imaging time to one minute
Medical CT scan visualization showing coronal, sagittal, and axial views with 3D organ segmentation including kidney, liver, aorta, and tumor models.
Augmented/Virtual Reality
VR boosts accuracy, confidence for evaluating abdominal neuroblastoma
3D medical illustration of shoulder joint pain with glowing red inflammation on skeletal anatomy
MRI
MRI shows features of scapular pain in patients
Healthcare professional demonstrating breast biopsy procedure with circular target icon and medical text on purple background
Womens Imaging
CEM-guided biopsy effective for sampling suspicious breast findings
More in Home
AI cuts chest CT reporting time
By Will Morton
Exploratory modeling suggested an approximate reduction of 0.5 full-time equivalent radiologist workload.
September 1, 2026
Example of AI-assisted pulmonary nodule detection and longitudinal volumetric assessment in a 65-year-old woman with peripheral arterial disease, a 24-pack-year smoking history, emphysema, and a family history of lung cancer. An incidental 8.5-mm right lower lobe pulmonary nodule is identified at CT angiography of the abdomen in July 2022 but does not receive follow-up. Subsequent imaging demonstrates interval growth, and CT-guided biopsy confirms stage IA lung adenocarcinoma. Contrast-enhanced axial chest CT images obtained on February 2, 2024, before robotic-assisted thoracoscopic segmentectomy, show a 12.1-mm spiculated right lower lobe pulmonary nodule. (A) Conventional contrast-enhanced axial chest CT image without AI assistance shows a 12.1-mm spiculated right lower lobe pulmonary nodule. (B) Corresponding CT image with AI-assisted pulmonary nodule detection, automated segmentation, and quantitative nodule assessment identifies a solid pulmonary nodule (nodule #1) measuring 13 × 8 (11) mm, with a volume of 739 mm3, a 45% volumetric increase compared with the previous contrast-enhanced chest CT performed on October 9, 2023 (510 mm3), and an estimated volume doubling time (VDT) of 216 days. (C) AI-generated longitudinal nodule analysis displays automated segmentation of the current (February 2, 2024) and previous (October 9, 2023) CT examinations, 3D nodule reconstruction, and quantitative volumetric assessment for longitudinal follow-up. The AI interface is displayed in the original software language (Dutch).
PCCT on par with MRI for diagnostic breast imaging
By Amerigo Allegretto
PCCT performed similarly to MRI for characterizing breast lesions and finding additional lesions.
September 1, 2026
Medical imaging classification chart showing four morphological patterns across three imaging modalities for diagnostic reference.
Self-interpreting by ordering clinicians tied to low-value imaging
By Amerigo Allegretto
Visits involving clinicians who self-interpreted all their ordered imaging had higher odds of imaging overall.
September 1, 2026
Radiological Report document header with diagnostic department text in blue
POCUS improves timeliness in emergency pregnancy care
By Amerigo Allegretto
Emergency POCUS can reduce length of stay and time to diagnosis while not leading to more missed diagnoses of ectopic pregnancy.
August 31, 2026
White wireless remote control or device held in hand with minimalist design
Bayer's PET agent meets endpoints in phase III cardiac amyloidosis study
By Will Morton
Overall sensitivity was 94% (95% CI, 85% to 98%) and specificity was 86% (95% CI, 77% to 92%).
August 31, 2026
Cardiac PET/CT imaging comparison showing five amyloidosis types with axial, sagittal, and coronal views demonstrating varying myocardial uptake patterns.
MRI-based biomarker tool can predict progression to dementia
By Amerigo Allegretto
The tool measures gray matter shrinkage in the brain, predicting when mild cognitive impairment progresses to dementia.
August 28, 2026
3D brain illustration with glowing red and yellow highlighting on the frontal lobe against a blue background
Is nitroglycerin necessary prior to photon-counting CT?
By Will Morton
Sublingual nitroglycerin is routinely administered before CCTA to induce coronary vasodilation.
August 27, 2026
Medical imaging comparison showing vascular CT angiography scan and coronary angiography with arterial contrast visualization
PET outperforms CT in ovarian cancer
By Will Morton
Peritoneal carcinomatosis in ovarian cancer is cancer that has spread from the ovaries to the peritoneum.
August 28, 2026
Multimodal medical imaging showing CT, PET, and fused PET-CT scans for oncological assessment with axial, coronal, and full-body views.
Advanced ultrasound techniques improve soft tissue tumor evaluation
By Amerigo Allegretto
Both SWE and SMI can help distinguish benign from malignant soft tissue tumors.
August 26, 2026
Medical ultrasound and CT scan imaging panels showing diagnostic vascular and abdominal studies with Doppler flow analysis
Sustainability efforts should look to state power grids
By Amerigo Allegretto
Variation in grid carbon intensity by state drives per-beneficiary greenhouse gas emissions from MRI and CT use.
August 28, 2026
US map showing estimated per-beneficiary GHG emissions from Medicare Part B outpatient services by state in 2022, with color gradient indicating emission levels.
Women's Imaging MinnieCast, Episode 16: Breast AI expectations versus performance
By Amerigo Allegretto
Azadeh Elmi, MD, shares results showing how breast imaging AI tools have modest clinical benefit in practice over expectations.
August 28, 2026
MinnieCast Women's Imaging podcast episode featuring Dr. Azadeh Elmi, MD
CT reveals progressive growth pattern in incidental lung nodules
By Will Morton
This pattern is most associated with a family history of lung cancer.
August 25, 2026
Longitudinal CT scan comparison showing lung lesion growth from October 2017 to October 2022, with measurements ranging from 5.6mm to 10.2mm across six follow-up intervals.
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