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Canada's inadequate and outdated inventory of medical imaging equipment requires that some scanners be retired to make way for new technology, which will require a massive injection of funds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
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Nuclear Medicine
What are patients being told before, during, and after Lu-177 RPT?
The recommended duration for maintaining distance from others after treatment ranged from one to three days at some sites and up to seven days at others.
Lawyer reviewing legal documents at desk with scales of justice and law books
Medicolegal
Radiology group sues Lovelace over poaching, cyberattack fallout
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Practice Management
CMS final rule draws mixed response
Professional speaker presenting on stage with Healthineers logo displayed on screen behind him
Industry News
Siemens Healthineers posts strong Q4, plans name change
Free Webinar: Agentic AI in Radiology
Sponsor Content
Free Webinar: Agentic AI in Radiology
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What are patients being told before, during, and after Lu-177 RPT?
By Will Morton
The recommended duration for maintaining distance from others after treatment ranged from one to three days at some sites and up to seven days at others.
November 5, 2026
Healthcare professional in white coat speaking with older man wearing glasses in casual conversation
Radiology group sues Lovelace over poaching, cyberattack fallout
By AuntMinnie.com staff writers
Zia Diagnostic Imaging is seeking about $5 million to $7 million in damages.
November 5, 2026
Lawyer reviewing legal documents at desk with scales of justice and law books
CMS final rule draws mixed response
By Amerigo Allegretto
The final rule includes conversion factor cuts overall, though with slight increases for some imaging-related services.
November 5, 2026
Aerial view of modern multi-story building with circular driveway and landscaped grounds
Siemens Healthineers posts strong Q4, plans name change
By AuntMinnie.com staff writers
The company's imaging segment grew in revenue by 10%, with the company planning to change its name to "Healthineers."
November 5, 2026
Professional speaker presenting on stage with Healthineers logo displayed on screen behind him
Lu-177 FAP-2286 controls lung cancer brain metastases
By Will Morton
Brain metastasis from advanced lung cancer represents a formidable clinical challenge, primarily due to the protective blood brain barrier.
November 4, 2026
Multi-panel PET-CT and CT brain imaging scans showing axial and coronal views with metabolic activity overlay
MWA with ethanol injection effective for treating RSGs
By Amerigo Allegretto
The approach is as successful as surgery and leads to less complications.
November 4, 2026
Medical imaging study showing thyroid nodule assessment with anatomical diagram and CT scan comparison at preoperative and one-year follow-up stages.
Immuno-PET/CT detects myeloma missed by FDG-PET/CT
By Will Morton
Standard FDG PET/CT misses active multiple myeloma in 30% to 50% of patients with biopsy-proven disease.
November 3, 2026
Medical imaging scans showing PET, CT, and MRI images of human body with anatomical cross-sections and intensity mapping
'ExRad' data shows wide variations in CT radiation dose
By Will Morton
The wide variation in performance, both across and within facilities, indicates substantial opportunities for improvement.
November 3, 2026
Ionizing radiation warning symbol with black trefoil on yellow circular background
CEM improves margin extent measurement, falls short of primary outcome
By Amerigo Allegretto
CEM did not meet the primary trial end point of a 10% treatment change, though CEM findings helped optimize treatment decisions.
November 3, 2026
Four mammography scan images showing breast tissue from different views with measurement annotations and technical parameters.
Podcast: Why 'minimum' MRI safety standards aren’t minimum enough
By Amerigo Allegretto
Toby Gilk wraps up season three's focus on a 2023 accident where a nurse was pinned between a hospital bed and an MRI scanner.
November 3, 2026
Confidential podcast cover for 'The Invisible Force: MRI Incident Investigation' with purple border and presented by badge
Jeremie Calais discusses his move to Paris, European research
By Will Morton
The move was driven primarily by family (it is a return home for him and his wife) but it closes a chapter that reshaped nuclear medicine in the U.S.
November 2, 2026
Professional headshot of an Asian man in white shirt and dark tie, smiling at camera against gray background
AI platform maintains success in two pediatric imaging pipelines
By Amerigo Allegretto
The AI pipelines within the platform focused on measuring bone length and fetal MRI.
November 2, 2026
Medical conference presentation on AI orchestration for pediatric imaging at SIIM CAIIM26, displayed on large screen with presenter at podium
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