Micheal Casasnovas

Digital X-Ray
Targeted renal therapy offers a solution to contrast allergic reactions
Radiologists aren't the only ones who must grapple with contrast-induced allergic reactions: Endovascular therapy specialists may see their choices for imaging exams limited by issues such as contrast-induced nephropathy and hypersensitivity to gadolinium, according to an imaging expert from Columbia University. But the use of targeted renal therapy may reduce the incidence of contrast-induced nephropathy.
February 18, 2008
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Top Stories
Baseline and 1-year follow-up CT and MRI scans of thoracic and lumbar spine with color-coded vertebral segmentation
CT
LDCT predicts vertebral fracture risk in heavy smokers
Participants were heavy smokers aged 55 to 74 years old with at least 30 pack-years of smoking history.
Four wrist X-ray images showing fracture detection examples: true positive with distal radius fracture, true negative normal wrist, false positive misidentified fracture, and false negative missed fracture.
Digital X-Ray
ChatGPT-5 misses half of distal radius fractures on x-rays
Female presenter delivering conference talk on AI and ICH outcomes at SIM event with projection screens
AI
SIIM-CAIMI: AI triaging for ICH leads to faster turnaround times
PET/CT scan showing axial, sagittal, and coronal views with metabolic activity visualization in yellow and orange
MRI
SIIM-CAIMI: 20% of advanced imaging prior auth denials get overturned
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LDCT predicts vertebral fracture risk in heavy smokers
By Will Morton
Participants were heavy smokers aged 55 to 74 years old with at least 30 pack-years of smoking history.
October 27, 2026
Baseline and 1-year follow-up CT and MRI scans of thoracic and lumbar spine with color-coded vertebral segmentation
ChatGPT-5 misses half of distal radius fractures on x-rays
By Will Morton
ChatGPT-5 missed 83 fractures, demonstrating a sensitivity of 51.2% and a specificity of 70.5%, with overall accuracy of 61.6%.
October 27, 2026
Four wrist X-ray images showing fracture detection examples: true positive with distal radius fracture, true negative normal wrist, false positive misidentified fracture, and false negative missed fracture.
SIIM-CAIMI: AI triaging for ICH leads to faster turnaround times
By Amerigo Allegretto
AI triaging that examined head CT images led to a 13-minute faster report turnaround in the emergency department.
October 27, 2026
Female presenter delivering conference talk on AI and ICH outcomes at SIM event with projection screens
SIIM-CAIMI: 20% of advanced imaging prior auth denials get overturned
By Amerigo Allegretto
Advanced imaging prior authorization denials are overturned at a rate of five times that of all Medicare Advantage services.
October 27, 2026
PET/CT scan showing axial, sagittal, and coronal views with metabolic activity visualization in yellow and orange
RadNet to acquire teleradiology provider Onrad
By AuntMinnie.com staff writers
The deal is expected to close in early 2027.
October 26, 2026
Two businessmen in suits shaking hands in a professional office setting
Heartflow sues Elucid over cardiac CT patents, trade secrets
By AuntMinnie.com staff writers
Heartflow alleges that Elucid hired 11 of its employees who had knowledge of Heartflow’s product design.
October 26, 2026
Two professionals reviewing legal documents at a desk with a gavel during a business consultation
SIIM-CAIMI: Apollo LLM framework shows promise in patient monitoring
By Amerigo Allegretto
Faisal Mahmood, PhD, shared updates from his team's work developing the Apollo LLM framework.
October 26, 2026
Medical researcher presenting computational pathology findings at SIIM CAIRM26 conference with tissue analysis visualization
SIIM-CAIMI: LLM pipeline tracks critical results in pediatric patients
By Amerigo Allegretto
An in-house LLM approach achieved near-perfect sensitivity for detecting critical results in child patients.
October 26, 2026
Woman presenting at SIM CAIM26 conference podium with blue program schedule displayed on projection screen
DBT performance improves with patient age
By Amerigo Allegretto
DBT led to higher cancer detection rates and lower abnormal interpretation rates in older women in a study over 93,000 women.
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Mammography and ultrasound imaging showing breast tissue with clinical findings marked by arrows
AI fails to compensate for night-shift fatigue among residents
By Will Morton
Evidence that AI can offset fatigue-related performance loss remains limited.
October 23, 2026
Radiologist comparing chest X-ray analysis with and without AI assistance using medical imaging software
Trainee-led informed consent talks with patients often insufficient
By Amerigo Allegretto
Results from a study suggest that more attention to the consent process in radiology training may be needed.
October 23, 2026
Older man with glasses speaking with younger male healthcare professional in white coat during medical consultation
High CAC scores nearly doubles 30-year mortality in young adults
By Will Morton
Among 12,847 participants, 1,703 (13.3%) had CAC scores above the 90th percentile.
October 23, 2026
Glowing anatomical illustration of human heart with blood vessels on blue background
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