Louise Gagnon

Economics
Technology and a personal touch can drive postpandemic growth
Now, two-and-a-half years after the initial COVID-19 pandemic lockdown, many radiology practices are experiencing pressure to grow – even as many groups are still in recovery mode.
October 24, 2022
2022 10 20 22 21 8160 Unity Growth Concept 400
Breast
Pandemic caused screening mammo shortfall in Ontario
Over 400,000 fewer mammograms were performed in the Canadian province of Ontario during the COVID-19 pandemic than would have otherwise been conducted, according to an analysis released by the Ontario Medical Association.
October 16, 2022
2016 08 18 13 26 22 430 Breast Screening Mammo 400
CT
'A diagnostic revolutionary' -- the legacy of Godfrey Hounsfield
CT has become a vital form of medical imaging that is ubiquitous throughout the world, offering powerful insights into the human body. Most of the credit for the development of CT goes to Sir Godfrey Hounsfield, the U.K. scientist who developed the first CT scanner in 1971.
August 11, 2022
2022 08 11 21 21 9018 Hounsfield Godfrey 400
Industry News
Why leadership in radiology is more than just a title
Today's radiology leaders face myriad challenges. From managing pandemic-related workplace disruptions to coping with historic turnover in the labor force, leaders of radiologists, radiology administrators, and radiologic technologists need to be empowered to make decisions and thrive in their professional positions.
July 14, 2022
2022 07 11 17 05 1894 Business Leader Speaker Woman 400
CT
National funds needed to update imaging equipment in Canada
Canada's inadequate and outdated inventory of medical imaging equipment requires that some scanners be retired to make way for new technology, which will require a massive injection of funds from the national government.
May 25, 2022
2022 05 25 23 12 6141 Canada Flag Sunset 400
MRI
Pancreatic cysts present screening challenge for radiologists
What's the best way to handle cysts detected in the pancreas on imaging exams? Such lesions are relatively common, but only a small number are malignant, so figuring out suitable management surveillance can be a challenge.
April 20, 2022
2018 03 06 00 04 4002 Pancreas New 400
Breast
Applying ACR's TI-RADS, ATA guidelines reduces biopsies and costs
Adhering to the American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS) or the American Thyroid Association (ATA) risk stratification guidelines decreases the number of thyroid biopsies and reduces healthcare costs, according to research presented at the recent annual meeting of the Canadian Association of Radiologists.
April 19, 2022
2019 10 24 23 31 2630 Breast Biopsy Mammotome 400
Breast
MRI double reading can reduce unnecessary biopsies
Double reading of MRI examinations in women with high risk of breast cancer can reduce the number of unneeded biopsies, decrease false-positive results, and improve detection of malignancies, according to research presented recently at the Canadian Association of Radiologists annual meeting.
April 18, 2022
2020 02 25 00 02 3958 Mri Breast Cancer 20200225002942
Breast
Did Choosing Wisely really reduce unnecessary imaging?
The Choosing Wisely initiative was designed to reduce unnecessary medical procedures. But a new analysis of the project's impact on two imaging scenarios -- staging for prostate and breast cancer -- raises questions about its effectiveness.
April 13, 2022
2020 09 10 18 58 9346 Ct Scanner Control Room2 Radiologist 400
Ultrasound
Use of ultrasound contrast lags, despite its clear benefits
While there are passionate advocates for ultrasound contrast in radiology and other medical specialties, its use has failed to expand -- despite the fact that it offers solid benefits, according to ultrasound experts.
January 17, 2022
2022 01 14 21 47 9176 Bubbles Ultrasound Contrast 400
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Top Stories
Soccer Ball Woman Heading
RSNA 2024
Soccer heading can cause more brain damage than previously thought
Diffusion MR imaging suggests that soccer heading may cause more damage to the brain than previously thought, according to study results presented at RSNA 2024.
Digital Justice Scales
Womens Imaging
Inquest into neonatal death highlights ultrasound errors
Cancer
Molecular Imaging
PET/CT superior to CT in detecting bone metastases
Ultrasound Scanner Computerized 400 (1)
Womens Imaging
CEUS-based radiomics model aids in breast cancer diagnosis
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Practice Management
4 ways to reduce greenhouse gas emissions in radiology
More in Home
Soccer heading can cause more brain damage than previously thought
By Kate Madden Yee
Diffusion MR imaging suggests that soccer heading may cause more damage to the brain than previously thought, according to study results presented at RSNA 2024.
November 27, 2024
Soccer Ball Woman Heading
Inquest into neonatal death highlights ultrasound errors
By Philip Ward
A radiologist and a sonographer failed to diagnose critical conditions in two pregnant women, including a twin baby who died three days after birth, a report has revealed.
November 27, 2024
Digital Justice Scales
PET/CT superior to CT in detecting bone metastases
By Will Morton
F-18 FDG-PET/CT performs better and is more cost-effective than CT in determining biopsy sites for suspected bone metastases.
November 26, 2024
Cancer
CEUS-based radiomics model aids in breast cancer diagnosis
By Amerigo Allegretto
A contrast-enhanced ultrasound (CEUS)-based radiomics model could help accurately diagnose breast cancer.
November 26, 2024
Ultrasound Scanner Computerized 400 (1)
4 ways to reduce greenhouse gas emissions in radiology
By Kate Madden Yee
Clinical use of imaging equipment accounts for more than 50% of greenhouse gas emissions in the radiology department, with MRI and CT equipment major contributors.
November 26, 2024
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MRI links long-COVID brain fog to lung function
By Will Morton
MRI shows that lower pulmonary gas exchange in the lungs of long-COVID patients may be associated with cognitive symptoms.
November 26, 2024
Individuals in the study were plotted with the x-axis being rank of pulmonary gas exchange. The black dots show the pulmonary gas exchange ratio (red blood cell to tissue plasma ratio, RBC:mem) on the left y-axis and the blue dots are the cognition scores on the right y-axis. Gas exchange maps of three representative patients from a low, medium, and high pulmonary gas exchange. Image courtesy of RSNA.
MEG mapping reveals new clinical marker associated with concussions
By Liz Carey
Study provides insight into both the mechanisms and the clinical implications of concussion in the maturing adolescent brain.
November 26, 2024
Football Players Scrimmage
Moore’s Law for radiologists
By Paul McCoubrie, MBBS
In a new column, radiologist Paul McCoubrie weighs in on challenges facing radiology today.
November 25, 2024
Paul McCoubrie, MBBS.
Ultrasound-based deep learning models aid thyroid nodule prediction
By Amerigo Allegretto
A deep learning-based framework incorporating ultrasound images and clinical data can help in thyroid nodule prediction.
November 25, 2024
Thyroid 400
PET scan times can be reduced in Alzheimer’s patients
By Will Morton
F-18 florbetaben PET scans for diagnosing Alzheimer’s disease can be reduced from 20 minutes to five minutes without losing accuracy.
November 25, 2024
Patient Elderly Confused Headache
MRI shows immediate impact of vaping, cigarette use
By Amerigo Allegretto
MRI shows that vaping has immediate negative effects on vascular function.
November 25, 2024
Vape
Thyroid medication linked to bone loss
By Will Morton
Levothyroxine – a common medication taken for hypothyroidism – may be associated over time with bone loss.
November 25, 2024
Levothyroxine pills. Image courtesy of RSNA.
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