Rosemary Frei

Breast
Discrepancies trigger Ontario radiology peer-review program
Formal radiology peer review will be implemented across the province of Ontario after an 18.2% discrepancy rate was uncovered in an external review of images read by Ontario radiologist Dr. Ivo Slezic. The review's findings were released last week by Trillium Health Partners.
December 10, 2013
Breast
New open-source software could improve breast cancer management
MONTREAL - A new software suite is being developed in the Canadian Atlantic provinces that could make patient management and imaging resource use more efficient, not only in that region but in the rest of the world. Information on the system was presented this week at the 2012 World Cancer Congress.
August 30, 2012
Ultrasound
Report ties keepsake ultrasound to fetal gender tests in Canada
An investigative report has caused a stir in Canada after it revealed that keepsake ultrasound clinics are willing to provide the gender of fetuses before 20 weeks of gestation. This is early enough for women to request an abortion and feeds into the phenomenon of female feticide in some immigrant communities in Canada.
June 14, 2012
CT
Radiologists could be key in identifying signs of elder abuse
A radiologist-led team from Toronto has identified a gestalt of injuries and surrounding social context common to most cases of physical abuse of the elderly. The group believes this could be a guide to identifying victims of elder abuse, much as a pediatric radiologist defined the signs of shaken-baby syndrome in the 1940s.
May 8, 2012
Nuclear Medicine
Oral antioxidants could prevent DNA damage from radiation
Canadian researchers plan to start clinical trials soon of an oral antioxidant cocktail designed to prevent radiation-induced DNA damage from medical imaging scans. The trial follows tests they've already conduct in humans -- more specifically, themselves.
May 6, 2012
Nuclear Medicine
AAN: DaTscan SPECT tracer changes Parkinson's treatment
Results from a randomized clinical trial being presented at this week's American Academy of Neurology (AAN) meeting suggest that the SPECT radiopharmaceutical DaTscan can help clinicians distinguish between tremors due to Parkinson's disease and nonparkinsonian essential tremor, expediting appropriate treatment.
April 23, 2012
CT
CT confirms extent of lung involvement in H1N1 pneumonia
Severe H1N1 pneumonia has a distinct imaging signature, according to University of California, Los Angeles researchers, who presented their work at the Society of Critical Care Medicine meeting earlier this month.
February 26, 2012
MRI
2 MR parameters highly predictive of MS diagnosis in children
A large study of children at 23 pediatric hospitals across Canada has yielded a combination of two MRI parameters that predicts the diagnosis of multiple sclerosis (MS) with an accuracy of approximately 90%. The results were published online November 7 in Lancet Neurology.
November 13, 2011
CT
CT boosts prediction of acute stroke in TIA patients
Modifying a commonly used scale for stroke prediction in transient ischemic attack (TIA) patients to take into account whether acute ischemia is present on CT increases the scale's accuracy, according to a presentation this month at the Canadian Stroke Congress in Ottawa, Ontario.
October 25, 2011
Industry News
Commoditization can be impetus for positive change
The recent Canadian Association of Radiologists annual meeting included a debate on the commoditization of radiology, and while none of the presenters truly feels positively about the trend, they did agree that it can be the stimulus for positive change for the specialty.
May 29, 2011
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Top Stories
Chatgpt
Artificial Intelligence
LLMs decrease in accuracy over time on radiology exams
Large language models (LLMs) demonstrate high accuracy on radiology exams, yet decrease in accuracy over time.
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MRI
Functional MRI illuminates what motivates e-cigarette use
Radiologist Computer Screen X Ray
Womens Imaging
Student-led initiative working to close gender gap in radiology
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CT
CT-defined CAC predicts cardiovascular events in lung cancer patients
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Economics
Medicare finalizes 2025 Fee Schedule cut
More in Home
LLMs decrease in accuracy over time on radiology exams
By Will Morton
Large language models (LLMs) demonstrate high accuracy on radiology exams, yet decrease in accuracy over time.
November 21, 2024
Chatgpt
Functional MRI illuminates what motivates e-cigarette use
By Kate Madden Yee
Functional MRI shows that e-cigarette users perceive the product as equally rewarding as money -- a finding that highlights the addictive potential of vaping.
November 21, 2024
Vaping E Cigarette Man
Student-led initiative working to close gender gap in radiology
By Amerigo Allegretto
A student-led initiative called Women in Radiology Education (WIRED) is working to close the gender gap in radiology.
November 20, 2024
Radiologist Computer Screen X Ray
CT-defined CAC predicts cardiovascular events in lung cancer patients
By Kate Madden Yee
CT-defined coronary artery calcification (CAC) scores can help predict the occurrence of conditions such as heart attack or stroke in lung cancer patients.
November 20, 2024
Heart Pulmonary Trunk
Medicare finalizes 2025 Fee Schedule cut
By Sandy Coffta
In a new column, Sandy Coffta of Healthcare Administrative Partners assesses how the 2025 Medicare Physician Fee Schedule Final Rule will impact radiology.
November 20, 2024
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Share of nonphysician practitioners' imaging interpretation doubles
By Kate Madden Yee
Nonphysician practitioners' share of imaging interpretation in office-based medical practices has more than doubled over the past decade.
November 20, 2024
Mammo Reading
Nomogram model predicts malignancy risk in ovarian masses
By Amerigo Allegretto
A nomogram model based on O-RADS ultrasound findings and clinical and lab indicators can predict malignancy risk in adnexal cystic-solid masses.
November 19, 2024
Ovarian Cancer Social
PET links chronic stress to aggressive endometrial cancer
By Will Morton
Brain activity related to chronic stress may be associated with the aggressiveness of tumors in women with endometrial cancer.
November 19, 2024
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Head CT offers insight into old strokes
By Kate Madden Yee
Incidental discovery of old strokes on head CT imaging offers clinicians an opportunity to put measures against future strokes into place.
November 19, 2024
Brain Stroke
Climate change boosts emergency department use of x-ray, CT
By Kate Madden Yee
Climate change's effects -- particularly higher outdoor heat and air pollution -- increase imaging use in the emergency department, especially x-ray and CT.
November 19, 2024
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Radiologists prefer local AI advice over global
By Will Morton
Radiologists and other physicians tend to trust AI more when the algorithms provide local rather than global explanations of findings on chest x-rays.
November 19, 2024
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FAPI-PET/CT superior to FDG-PET/CT in assessing liver cancer
By Will Morton
A recent study suggests that PET/CT imaging with a FAPI radiotracer is superior to F-18 FDG-PET/CT for assessing patients with liver cancer.
November 18, 2024
Two cases of pathologically confirmed intrahepatic cholangiocarcinomas in 68-year-old male patients. In both cases (A-H, case 1; I-P, case 2), CT scans (B, F, case 1; J, N, case 2) revealed intrahepatic bile duct dilation and suspected nodular lesions. While F-18 FDG PET/CT (A, C, D, case 1; I, K, L, case 2) failed to demonstrate abnormal tracer uptake (SUVmax 3.5, TBR 1.3 in Case 1; SUVmax 2.6, TBR 1.2 in Case 2), F-18 FAPI-04 PET/CT (E, G, H, case 1; M, O, P, case 2 ) showed positive uptake in the nodular lesions (SUVmax 9.7, TBR 3.5 in Case 1; SUVmax 9.6, TBR 3.3 in Case 2). Image available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of BMC Cancer.
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