Dr. Robert Freed

CT
Second Take: Must patients really be warned of radiation risk?
Should radiologists be required to get informed consent from patients before they undergo medical imaging procedures involving radiation? In this Second Take column, radiologists from the University of Pittsburgh assert that such notification is not only burdensome, it undermines the delivery of quality medical care.
December 17, 2013
2013 07 30 12 53 25 294 Second Take Am 200
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Ai Hand
Nuclear Medicine
LLMs rapidly evolving in nuclear medicine
Large language models (LLMs) are widely used to handle the large volume of text data generated in nuclear medicine.
2025 10 24 Jmri Said Fig2 Thumbnail
MRI
DWI with fat correction identifies liver scarring in MASLD patients
Emergency Sign
Ultrasound
Ghost scans problematic in POCUS trauma exams
Prostate Imaging
Molecular Imaging
PSMA-PET may require selective use to be cost-effective
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LLMs rapidly evolving in nuclear medicine
By Will Morton
Large language models (LLMs) are widely used to handle the large volume of text data generated in nuclear medicine.
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Ai Hand
DWI with fat correction identifies liver scarring in MASLD patients
By Kate Madden Yee
An MRI technique that corrects for fat in the liver appears to perform comparably to MRE for detecting fibrosis.
October 24, 2025
2025 10 24 Jmri Said Fig2 Thumbnail
Ghost scans problematic in POCUS trauma exams
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Rates of ghost scans -- where POCUS images are not saved -- vary by imaging facility, but are high overall in emergency settings.
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Emergency Sign
PSMA-PET may require selective use to be cost-effective
By Will Morton
Yale University researcher developed a decision-analytic model to estimate lifetime cost outcomes associated with PSMA-PET.
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Prostate Imaging
New procedure treats chronic pain in toe joints
By Will Morton
Median pain scores dropped for 27 patients from nine to one after five months.
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HPI study, online tool identify and predict cancer disparities
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Factors such as poverty and environmental toxins are some of the most common community-level predictors of U.S. cancer disparities.
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Radiology CSI: CT helps medical examiners determine cause of death
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Kalpana Kanal, PhD, of the University of Washington Medical Center in Seattle, spoke to AuntMinnie about forensic CT.
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This image depicts comminuted skull fractures sustained in a pedestrian motor vehicle accident. These are difficult to document by a standard autopsy because the individual fragments are displaced during the internal examination and dissection of the head.
Radiomics plus DL improve prediction of lung cancer invasiveness
By Kate Madden Yee
This combined model could support better treatment planning for patients with early-stage disease.
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False-negative breast exams on the rise
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False-negative screening exams are rising among women, influenced by patient- and facility-level factors.
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Is it time to put global health in radiology education curricula?
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A lack of faculty expertise and less time in education curricula may hinder radiologist participation in global health efforts.
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What’s the best treatment for 'eloquent' brain AVMs?
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Researchers performed the first direct comparisons of two emerging techniques for treating arteriovenous malformations (AVMs).
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Preop MRI lessens younger women's risk of breast cancer recurrence
By Amerigo Allegretto
Preoperative MRI may lead to lower risk of ipsilateral in-breast recurrence in younger women with newly diagnosed breast cancer.
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Images in a 49-year-old patient originally treated for hormone receptor-positive invasive cancer without preoperative MRI who developed bloody nipple discharge two years after surgery. (A) Left mediolateral oblique mammogram shows new grouped pleomorphic calcification (arrow) adjacent to the previous operation site. (B) Transverse ultrasound image shows a 2.3-cm hypoechoic mass (arrows) with calcifications. (C) Axial contrast-enhanced fat-saturated T1-weighted MRI scan shows an irregular, heterogeneously enhancing mass (arrow) in the left breast, adjacent to the operation site. The final pathologic examination confirmed recurrent invasive ductal carcinoma.
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