Dr. Paul Wallner

Radiation Oncology/Therapy
Payment parity in radiation therapy best serves cancer patients
Freestanding radiation treatment centers play a vital role in ensuring access to state-of-the-art radiation therapy. But a recent article on AuntMinnie.com about reimbursement rates at these centers provided a misleading picture, according to Dr. Paul Wallner, senior vice president of 21st Century Oncology.
October 16, 2014
2014 10 16 15 12 34 847 Wallner Paul 200
Residents/Fellows
American Board of Radiology exams: What's new?
If you're currently a radiology resident, the board exams are probably in your immediate future. It can be tempting to try to find copies of past questions to help you study; however, that's a bad idea, according to this editorial by the American Board of Radiology, which is getting serious about exam integrity.
May 18, 2011
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Top Stories
Research presentation on nuclear medicine fragmentation showing 25 studies with PET imaging criteria analysis and expert interview
Nuclear Medicine
EANM: Is ‘research fragmentation’ holding back nuclear medicine?
Well-designed studies require collaboration among nuclear medicine, medical oncology, urology, radiation oncology, and clinical trial support.
Comparative abdominal CT scans showing six cross-sectional images with varying BMI and radiation dose measurements
CT
PCCT improves image quality when scanning patients with obesity
Patient relaxing inside an MRI scanner with illuminated circular ring during medical imaging procedure
Womens Imaging
Kaiser score outperforms MRI BI-RADS for inconclusive breast findings
Comparative PET/CT scan images showing [18F]FAPI and [18F]FDG imaging with MIP projections, fusion views, and CT cross-sections for medical diagnosis
Molecular Imaging
FAPI-PET detects more HCC lesions than FDG-PET
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EANM: Is ‘research fragmentation’ holding back nuclear medicine?
By Will Morton
Well-designed studies require collaboration among nuclear medicine, medical oncology, urology, radiation oncology, and clinical trial support.
October 21, 2026
Research presentation on nuclear medicine fragmentation showing 25 studies with PET imaging criteria analysis and expert interview
PCCT improves image quality when scanning patients with obesity
By Amerigo Allegretto
PCCT resulted in better image quality on thoracic and abdominal scans in these patients than energy-integrating detector CT.
October 21, 2026
Comparative abdominal CT scans showing six cross-sectional images with varying BMI and radiation dose measurements
Kaiser score outperforms MRI BI-RADS for inconclusive breast findings
By Amerigo Allegretto
Kaiser scoring led to higher diagnostic accuracy on breast MRI.
October 20, 2026
Patient relaxing inside an MRI scanner with illuminated circular ring during medical imaging procedure
FAPI-PET detects more HCC lesions than FDG-PET
By Will Morton
Relative to F-18 FDG, F-18 FAPI-PET/CT produced staging changes in 19 of 32 patients undergoing initial staging, including six true upstagings.
October 20, 2026
Comparative PET/CT scan images showing [18F]FAPI and [18F]FDG imaging with MIP projections, fusion views, and CT cross-sections for medical diagnosis
LLMs mostly avoid unnecessary care in Choosing Wisely tests
By Amerigo Allegretto
LLMs recommended potentially unnecessary care in about 5% of responses, with many being thyroid ultrasound tests.
October 19, 2026
Blue geometric letter A logo with binary code background representing artificial intelligence technology
EANM: Thomas Hope on what’s next in FAP-targeted theranostics
By Will Morton
The innovations and work being done to optimize FAP agents will likely "spill over" to other targets.
October 19, 2026
Clinical research presentation slide showing FAP RLT experience data table with patient outcomes across multiple institutions and speaker photo
MRI shows no ties between COVID, future heart inflammation
By Amerigo Allegretto
A study of recovered COVID and non-COVID patients revealed no significant differences in heart inflammation on cardiac MRI exams.
October 19, 2026
3D medical illustration of human heart with coronary arteries glowing in orange and red against blue background
EANM: Next-generation PET scanner cuts imaging time to one minute
By Will Morton
The scanner's fastest images were rated more highly on average than those from a standard PET/CT scanner.
October 18, 2026
PET scan comparison showing SAFOV baseline and 1-minute and 5-minute time-point imaging with tracer uptake patterns
VR boosts accuracy, confidence for evaluating abdominal neuroblastoma
By Amerigo Allegretto
Compared with CT, VR helps surgeons more with anatomical assessment in abdominal neuroblastoma.
October 16, 2026
Medical CT scan visualization showing coronal, sagittal, and axial views with 3D organ segmentation including kidney, liver, aorta, and tumor models.
MRI shows features of scapular pain in patients
By Amerigo Allegretto
The most prevalent MRI findings showed significant associations with age.
October 16, 2026
3D medical illustration of shoulder joint pain with glowing red inflammation on skeletal anatomy
CEM-guided biopsy effective for sampling suspicious breast findings
By Amerigo Allegretto
CEM-guided biopsy yielded malignancy in over one-quarter of cases.
October 15, 2026
Healthcare professional demonstrating breast biopsy procedure with circular target icon and medical text on purple background
Radiologists, LLMs fail at spotting AI-generated chest x-rays
By Will Morton
Neither humans or LLMs appear well suited to serve as the primary safeguard.
October 15, 2026
Digital illustration of an AI face with blue light and binary code representing artificial intelligence and technology
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