Dr. Ruud Pijnappel, PhD

Breast
6 vital steps to ensure success in breast screening
Screening for breast cancer works, but it requires a solid infrastructure, consisting of rigorous training and education, monitoring, auditing, and continuous adjustment, Dr. Ruud Pijnappel, PhD, from the Netherlands told delegates on the second day of the Total Radiology conference at Arab Health 2019.
January 29, 2019
2019 01 29 23 28 4154 Pijnappel Ruud 20190129234809
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Anatomical illustration of knee pain showing muscle and bone structure with red and blue overlay indicating inflammation and blood flow
MRI
MRI model reveals how 3D knee shape influences ACL loading
Researchers created digital twins from patients' knees, and women had greater ACL force than men.
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Minnies
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X-ray visualization of human lungs with red highlighted inflammation or abnormality in right lung
CT
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MRI model reveals how 3D knee shape influences ACL loading
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Researchers created digital twins from patients' knees, and women had greater ACL force than men.
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Anatomical illustration of knee pain showing muscle and bone structure with red and blue overlay indicating inflammation and blood flow
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By Erik L. Ridley
Who made it to the final round of the 2026 edition of the Minnies, AuntMinnie.com's annual event recognizing excellence in radiology? See who our expert panelists selected as the final candidates.
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Aunt Minnie.com The Best of Radiology Finalist logo featuring cartoon woman in purple diamond frame
Gaps identified in surveillance of incidental lung nodules
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Incidental lung nodules (ILNs) are frequently detected during routine imaging.
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X-ray visualization of human lungs with red highlighted inflammation or abnormality in right lung
SIIM-CAIMI: Tech just one driver of AI's future in radiology
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Nabile Safdar, MD, spoke on how regulatory, financial, and cultural change will drive AI's future in medical imaging.
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Timothy Hall, PhD, discusses the state of tissue-mimicking materials used for ultrasound phantoms.
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Fluciclovine PET detects disease in half of PSMA-negative patients
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The findings support a complementary role for F-18 fluciclovine PET in carefully selected patients.
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PET-CT scan composite showing axial cross-sections of pelvis with radioactive tracer uptake and anatomical structures
5 institutions command 38% of NIH radiology research funding
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The findings have implications for policy and workforce development.
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Bar chart showing total clinician NIH funding by university from FY2012 to 2025, with Stanford University leading at $181.9M
MRI, PET reveal distinct brain changes in loneliness and social isolation
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Prior studies frequently have used the terms interchangeably and applied measures designed for one construct when investigating the other.
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Brain anatomy diagram showing temporal lobe, middle temporal gyrus, putamen, and globus pallidus with labeled cross-sections.
Podcast: Hospital accreditation isn’t a safety net for MRI
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The Invisible Force podcast series co-hosts Tobias "Toby" Gilk and John Posh continue their investigation into a 2023 MRI accident.
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SIIM-CAIMI program chairs talk medical imaging AI's evolution
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SIIM-CAIMI's program chairs share their thoughts on the increasing use of AI tools such as large language models in practice.
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SIIM CAIMI 26 logo featuring teal text with turquoise and orange accents
LDCT predicts vertebral fracture risk in heavy smokers
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Participants were heavy smokers aged 55 to 74 years old with at least 30 pack-years of smoking history.
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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
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ChatGPT-5 missed 83 fractures, demonstrating a sensitivity of 51.2% and a specificity of 70.5%, with overall accuracy of 61.6%.
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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.
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