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As a neuroradiologist and a pilot, Emanuel Kanal, M.D., noted that one of the safety principles he learned from the aviation field and has applied with magnetic resonance imaging (MRI) safety is the notion that an emergency situation is a statistical inevitability. Accordingly, one must have a proactive plan for addressing the emergency before it occurs, emphasized Dr. Kanal during a 

“ … What do you do when communication goes down and you're in the middle of a scan. Do you stop the scan? Do you complete the scan? What does the boots on the ground (person) do if they lost communication? What was the last command given? What was the last thing happening? Am I supposed to continue? That's a critical part of remote MR scanning and the standard operating procedure,” emphasized Dr. Kanal, chief of the Division of Emergency Radiology and director of Magnetic Resonance Services with the University of Pittsburgh Medical Center in Pittsburgh, Pa.

Noting the importance of defined roles and responsibilities with remote MRI safety, Tobias Gilk, MRSO, MRSE, rejected the commonly espoused platitude that MRI safety is everyone’s responsibility.

“No, it’s not. The notion that this is some kind of collective group project that we're all working on is one of the greatest disservices that we can do to MRI safety,” posits Gilk, the founder of Gilk Radiology Consultants, a senior vice president of RADIOLOGY-Planning, and a board member of the American Board of Magnetic Resonance Safety (ABMRS).

Gilk maintained that proactive precision with individual scopes of responsibilities and checklists is critical to bolstering safety with remote MRI scanning.

“It is in the act of defining individual roles, duties, responsibilities, expectations, and crystalizing that that we begin to build workflows that don't have gaps,” noted Gilk.

(Editor’s note: For related content, see “

The Reading Room Podcast: A Closer Look at Remote MRI Safety, Part 1

The Reading Room Podcast: A Closer Look at Remote MRI Safety, Part 2

MRI Safety: A Closer Look at Key Factors in Managing Radiofrequency Exposure

For more insights from Emanuel Kanal, MD and Tobias Gilk, MRSO, MRSE, listen below or 

In the third of a three-part podcast episode, Emanuel Kanal, M.D. and Tobias Gilk, MRSO, MRSE, discuss strategies for maintaining the integrity of time-out procedures and communication with remote MRI scanning.

The Reading Room Podcast: A Closer Look at Remote MRI Safety, Part 3

When one considers the variety of responsibilities of an on-site magnetic resonance imaging (MRI) technologist, Emanuel Kanal, M.D., noted in a 

 that the availability of a remote MRI technologist actually may enhance MRI safety.

“Who today is in charge of overseeing that adverse event? The technologist. … Who is responsible for screening the patient? The technologist. Who is responsible for injecting them? The technologist. Who is responsible for answering the phones? The technologist,” noted Dr. Kanal, the chief of the Division of Emergency Radiology and director of Magnetic Resonance Services with the University of Pittsburgh Medical Center in Pittsburgh, Pa.

“ … In so many of our sites, the MR technologist is the only line of defense. They do everything. We hold them responsible for every single thing that has to do with safety in that environment. And for the first time, we just gave them an assistant.”

Tobias Gilk, MRSO, MRSE, added that clearly defined roles for the remote MRI technician and the on-site individual working with the patient may “reduce the frequency and severity” of adverse events.

“Whether it's an adverse reaction to contrast, whether it's a projectile event, whether it's a quench, in all of those situations, we're essentially in clean-up mode, right? I think one of the things that's really interesting is the potential that by actively managing patients and screening and the physical environment, as Dr. Kanal was describing, with specialization right, one individual is specialized to operating the scanner safely and effectively, and one individual is specialized in managing the environment and the individuals who operate within it,” noted Gilk, the founder of Gilk Radiology Consultants, a senior vice president of RADIOLOGY-Planning, and a board member of the American Board of Magnetic Resonance Safety (ABMRS).

Essential Keys to MRI Safety in the Age of Advanced Diagnostics

For more insights from Emanuel Kanal, MD and Tobias Gilk, listen below or 

In the second of a multi-part podcast episode, Emanuel Kanal, M.D. and Tobias Gilk, MRSO, MRSE, share their perspectives on remote MRI safety protocols for ensuring screening accuracy and adherence to conditional implant guidelines as well as a rapid and effective response to adverse events. 

While emphasizing the importance of site-specific standard operating procedures (SOPs) with remote magnetic resonance imaging (MRI) safety, Emanuel Kanal, M.D., said on a 

 that it is critical to define will be stepping into the shoes and role of the traditionally on-site MRI technologist.

“The most knowledgeable person about MR safety in general is the MR technologist. They're worth their weight in gold. They're the ones that that guard the site. They oversee the site. They protect the patient, health-care practitioners, the site itself and their interests. They're the most knowledgeable, almost across the board, and they've been removed from the site,” pointed out Dr. Kanal, chief of the Division of Emergency Radiology and director of Magnetic Resonance Services with the University of Pittsburgh Medical Center in Pittsburgh, Pa.

“ … Now we’re facing the situation with the full remote operation clinical scanning … which is really going to necessitate that we figure out who that person is, what training or competencies we expect that person to have, how that new person plugs into a workflow, and as Dr. Kanal described, situational responsibility (and) situational authority in that environment,” added Tobias Gilk, the founder of Gilk Radiology Consultants, a senior vice president of RADIOLOGY-Planning, and a board member of the American Board of Magnetic Resonance Safety (ABMRS).

Dr. Kanal added that remote MRI scanning currently isn’t addressed in the Manual on MR Safety from the American College of Radiology (ACR). However, Dr. Kanal noted there will a section on remote MRI safety at the upcoming Radiological Society of North America (RSNA) conference (Nov. 30-Dec. 4, 2025) that he will be moderating as well as forthcoming announcements from the ABMRS.

FDA Clears Remote Scanning Software with MRI, CT and PET Capabilities

Kanal E. Divided liability remote MR scanning. 

In the first of a multi-part podcast episode, Emanuel Kanal, MD and Tobias Gilk share their insights and perspectives on remote MRI safety.

This podcast was originally published on Diagnostic Imaging's sister publication, NeurologyLive.

In an exclusive interview, Scott D. Newsome, D.O., president of the Consortium of Multiple Sclerosis Centers (CMSC), director of Neurosciences Consultation and Infusion Center at Green Spring Station, and associate professor of neurology at Johns Hopkins Medicine, and David Li M.D., FRCPC, professor of radiology, associate member of neurology, and director of Multiple Sclerosis/MRI Research Group at the University of British Columbia, discussed the recent consensus MRI guidelines for multiple sclerosis.

These guidelines were published by the Magnetic Resonance Imaging in Multiple Sclerosis study group, the CMSC working group, and the North America Imaging in Multiple Sclerosis Guidelines working group.

New MRI Guidelines for Multiple Sclerosis Show Global Agreement

In particular, these guidelines provided recommendations on using standardized MRI protocols for both diagnostic and prognostic purposes. Previous guidelines were released in 2015 and 2016. They supported using axial single T2-weighted sequences, dual-echo T2-weighted spin-echo sequences, axial and sagittal T2-weighted fluid-attenuated inversion recovery (FLAIR), and contrast-enhanced axial T1-weighted sequences, preferably at 3T.

An interview with two experts to discuss newly released guidance for using standardized MRI protocols for patients with this condition.

MindMoments: Consensus MRI Guidelines for Multiple Sclerosis

When it comes to brain imaging, functional MRI – commonly called fMRI – is considered the gold standard. However, it can be costly, time consuming, and come with several restrictions that can prohibit use with certain patients. 

In recent years, investigators have been searching for a different brain imaging method that can side-step these problems and potentially provide better quality scans at the same time. Researchers from the University of Southern California Keck School of Medicine and California Institute of Technology recently succeeded. They’ve developed functional photoacoustic computed tomography (fPACT) – a technique that works by emitting a laser beam of light into the area being imaged. 

Drs. Charles Liu and Jonathan Russin join me to discuss the differences and benefits with fPACT.

Drs. Charles Liu and Jonathan Russin discuss the benefits and potential of fPACT, the alternative to functional MRI.

The Reading Room: Potential fMRI Alternative -- fPACT

In addition to facilitating centralized scanning for a variety of imaging, the TechLive system may help ease the strain of technologist shortages and broaden access to advanced imaging exams.

FDA Clears Remote Scanning Platform TechLive for MRI, CT, PET/CT and Ultrasound

The multimodality remote scanning modality uOmniscan and the recently FDA-cleared 3T uMR Ultra MRI system were unveiled at the Association for Medical Imaging Management (AHRA) conference in Las Vegas.

United Imaging Launches New MRI Modalities at AHRA 2025 Conference

The addition of two new AI-enabled models for the latest version of the NeuroQuant Brain Tumor software facilitates automated tracking of the progression of brain tumors and meningiomas.



Updated MRI-Based AI Software Offers Automated Segmentation and Volumetric Reporting of Brain Metastases and Meningiomas

Beyond the hype, whole-body MRI offers limited clinical benefit in the general population with extraneous use potentially triggering a cycle of overdiagnosis, unnecessary treatment and financial strain.

Whole-Body MRI in Preventive Medicine: Evaluating the Current Evidence 

Noting a 7.4 percent incidence of motion artifacts on brain MRI scans for suspected stroke patients, the authors of a new study found that motion artifacts can reduce radiologist and AI accuracy for detecting hemorrhagic lesions.

Stroke MRI Study Assesses Impact of Motion Artifacts Upon AI and Radiologist Lesion Detection

Access to magnetic resonance imaging (MRI) facilities is a significant challenge for many patients with suspected Alzheimer’s disease who may be viable candidates for newer anti-amyloid therapies, noted Tammie Benzinger, M.D., Ph.D., in a recent 

While noting that she works within a network of facilities spread out over a five-hour driving radius, Dr. Benzinger said some patients may live two or three hours away from the closest facility.

“We've been working really hard to think about how we can meet patients where they are. How can we deliver what can be a life-changing health-care option for them in a way that lets them go on living their everyday life?,” posited Dr. Benzinger, the Hugh Monroe Wilson Professor of Radiology and chief of the MRI service with the Mallinckrodt Institute of Radiology and the Washington University School of Medicine. “You can imagine if you lived two or four hours or even more away from (a) university hospital, you're not going to come here twice a month for an infusion and once a month for a brain MRI. It’s just too much. So, we've been working on accessible options.”

Enter portable low-field MRI at stage left. In recent research presented at the Alzheimer’s Association International Conference (AAIC), Dr. Benzinger and her colleagues found that portable low-field MRI (Swoop Portable MR Imaging, Hyperfine) was effective at automated brain segmentation in detecting normal pressure hydrocephalus, a common cause of dementia, and in segmenting white matter hyperintensity that may be more suggestive of chronic small vessel ischemia related to high blood pressure, diabetes or kidney failure.

Dr. Benzinger suggested that portable low-field MRI at rural facilities can help rule out Alzheimer’s disease in these cases or demonstrate findings that may lead to subsequent use of 3T MRI to determine whether patients are viable candidates for anti-amyloid treatments.

“With this model, we can expedite access to therapy by identifying the best candidates out in the community, close to home, and then referring just those candidates that need this additional MRI evaluation to that 3T MRI center. So that's that baseline triage, chopping down this wait list for getting to therapy,” emphasized Dr. Benzinger, a professor of neurological surgery, biology and biological science at the Mallinckrodt Institute of Radiology in St. Louis.

FDA Clears Next-Generation AI Software for Portable Brain MRI

Can Deep Learning Enhance Low-Field MRI for Multiple Sclerosis Assessment

What a New MRI Meta-Analysis Reveals About AI-Powered Hippocampal Segmentation and Alzheimer’s Disease

For more insights from Dr. Benzinger, watch the video below.

In a recent interview, Tammie Benzinger, M.D., Ph.D., discussed the utility of portable low-field MRI to help identify patients in remote settings who may be viable candidates for subsequent MRI workup and consideration for new anti-amyloid therapies in treating Alzheimer’s disease.

Can Portable Low-Field MRI Facilitate Viable Triage and Health Equity for Patients with Suspected Alzheimer’s Disease?

There is significant variability with respect to predicting postoperative recurrence risk in pediatric patients who undergo surgery for gliomas, which contributes to considerable burden and stress for patients and their families. With this in mind, Benjamin Kann, M.D., and his colleagues developed a temporal deep learning model that evaluates longitudinal magnetic resonance imaging (MRI) to ascertain the risk of pediatric glioma recurrence.

In a new study, published earlier today in 

, Dr. Kann and his colleagues found that the model’s average area under the receiver operating characteristic curve (AUROC) for predicting one-year event-free survival (EFS) with longitudinal MRI assessment was 80.6 percent in contrast to 50.3 percent for single MRI scan assessment.

In a recent interview, Dr. Kann said the temporal deep learning model may provide a viable option for synthesizing current and previous imaging at the point of care.

“The point is to really take that historical imaging and analyze it all together to provide the most accurate prediction of… what will happen within the next year for this patient,” added Dr. Kann, an assistant professor of radiation oncology at Harvard Medical School.

While emphasizing that subsequent prospective research will be necessary to validate the study findings, Dr. Kann noted the potential of the temporal deep learning model in facilitating earlier treatment interventions for patients deemed to have high recurrence risk and perhaps longer intervals between follow-up MRI scans for patients identified as having a lower risk of glioma recurrence.

Dr. Kann also suggested broader implications with the study perhaps serving as a springboard to more investigations with AI assessment of longitudinal imaging versus single scans.

“I think there's been a lot done at single time point analyzes, and for a long time, it's been seen as kind of unreachable or infeasible to do these types of longitudinal medical imaging analyzes. … We hope that we've shown that there is a path forward there, and (we’re) just excited to see other groups do even more interesting and innovative things inspired by our work,” noted Dr. Kann, a radiation oncologist affiliated with the Brigham and Women’s Hospital and the Dana-Farber Cancer Institute in Boston.

Emerging PET Agent Gets FDA Fast Track Designation for Glioma Imaging

A Closer Look at MRI-Guided Adaptive Radiotherapy for Monitoring and Treating Glioblastomas

Is MRI Contrast Enhancement Necessary for Long-Term Monitoring of Diffuse Glioma?

For more insights from Dr. Kann, watch the video below.

In a recent interview, Benjamin Kann, MD, discusses the use of AI evaluation of longitudinal MRI scans to improve the prediction of postoperative glioma recurrence in pediatric patients.

Can AI Assessment of Longitudinal MRI Scans Improve Prediction for Pediatric Glioma Recurrence?

In a recent interview, Benjamin Kann, M.D., discussed the use of an emerging AI model that can assess longitudinal MR imaging to help predict postoperative recurrence risk for gliomas in pediatric patients.

While traditional non-adaptive radiotherapy for glioblastomas has reportedly yielded an approximate 11 percent rate of marginal failure, recently presented findings from the UNITED trial revealed that magnetic resonance imaging (MRI)-guided radiation reduced the marginal failure rate to 4.1 percent.

Utilizing the MR-Linac system (Elekta) to facilitate a 5 mm target margin, daily MRI monitoring and weekly changes to a personalized radiotherapy dose plan, the study authors found that 80 percent of patients had a reduction in gross tumor volume (GTV) during treatment.

In a recent interview, Arjun Sahgal, M.D., said the use of the MR-Linac system to facilitate ongoing improvements in targeting with adaptative radiotherapy is a significant advance in the treatment of high-grade gliomas.

“ … You’re constantly evolving to create a personalized radiotherapy field for that patient. … If (the tumor) is getting smaller, you can actually reduce the amount of healthy brain tissue that you radiate. So it’s a whole new paradigm in the approach to glioblastoma that came about as a result of MR-Linac technology,” explained Dr. Sahgal, the chief of radiation oncology at Sunnybrook Odette Cancer Center in Toronto, Canada.

Dr. Sahgal noted that physicians historically obtained MRIs at baseline and three months after radiotherapy treatment for glioblastoma. However, they found in the UNITED trial that over 50 percent of patients with glioblastomas had greater than 5 mm of tumor displacement, on average, during treatment.

“This idea of changing or adapting on a weekly basis to a tumor and adjusting that margin that we take in a personalized way is actually very unique in radiotherapy overall. It has not yet been done in many sites. In fact, we're probably one of the more advanced sites to use the power of adaptive radiotherapy in a clinical trial to date,” noted Dr. Sahgal, the president of the International Stereotactic Radiosurgery Society.

What MRI Research Reveals About Tumor Sphericity in Patients with IDH-Wildtype Glioblastoma

What Does the Future Hold for Brain Imaging and Radiotherapy?

Can AI Help Differentiate Between Tumor Recurrence and Pseudoprogression on MRI in Patients with Glioblastoma?

For more insights from Dr. Sahgal, watch the video below.

Arjun Sahgal, M.D., discusses emerging research examining the use of MRI-guided adaptive radiotherapy to treat glioblastomas.

In a recent interview, Arjun Sahgal, M.D., discussed current and emerging research examining the potential of MRI-guided adaptive radiotherapy for treating glioblastomas.

In a brain magnetic resonance imaging (MRI) study of over 1,000 young adults, researchers found that 63 percent of those who have used cannabis 1,000 or more times have reduced brain activation for working memory tasks.

For the cross-sectional study, recently published in 

 findings, urine toxicology reports and cannabis use data for 1,003 young adults (mean age of 28.7). According to the study, 88 participants were heavy cannabis users (1,000 or more uses of the drug) and 179 participants were moderate users (10 to 999 uses) with the remaining 736 participants described as non-users (less than 10 uses of cannabis).

In a recent interview, lead study author Joshua Gowin, M.D., said heavy lifetime use of cannabis was associated with lower brain activation during the working memory task with a pronounced impact on the anterior insula, medial prefrontal cortex, and dorsolateral prefrontal cortex.

(Editor’s note: For additional content on MRI, click 

“The prefrontal cortex is certainly associated with executive function and executive control. … One of the reasons why the prefrontal cortex is activated during the working memory task is because you have to keep track of a lot of things, and it's cognitively demanding. Since we saw lower activation in the cannabis users in (the prefrontal cortex), we suspect that … cannabis users had perhaps less ability to ramp up that brain region during the cognitively demanding working memory task,” noted Dr. Gowin, an assistant professor of radiology at the University of Colorado School of Medicine in Aurora, Colo.

Chest CT Study Shows Higher Emphysema Risk from Combination of Marijuana and Cigarette Smoking

Hybrid PET/MRI Assessment with Hippocampal Radiomics May Facilitate Early Alzheimer’s Diagnosis

A Closer Look at the New Appropriate Use Criteria for Brain PET: An Interview with Phillip Kuo, MD, Part 2

For more insights from Dr. Gowin, watch the video below.

In a recent interview, Joshua Gowin, MD, discusses new brain MRI search showing a significant link between heavy lifetime cannabis use and reduced brain activity for working memory tasks.

What New Brain MRI Research Reveals About Cannabis Use and Working Memory Tasks

In a recent interview, Joshua Gowin, M.D., discussed emerging brain MRI research that showed a significant association between heavy lifetime use of cannabis and reduced brain activity for working memory tasks in young adults.

Long Covid may affect up to 41 percent of non-hospitalized adults who have had COVID-19, according to the Centers for Disease Control and Prevention (CDC).

However, diffusion microstructural imaging, a novel magnetic resonance imaging (MRI) technique, may provide improved insight into associations between microstructural changes in the brain and common Long Covid effects such as neurocognitive deficits, fatigue, and olfactory dysfunction, according to new research presented at the recent 

Radiological Society of North America (RSNA) conference

In a recent interview, Alexander Rau, M.D., one of the lead authors of the study, discussed key findings from the prospective research that compared 89 patients with long Covid, 38 patients who had a COVID-19 infection but didn’t have long Covid, and 46 patients with no history of COVID-19.

By utilizing diffusion microstructural imaging, Dr. Rau and his colleagues discovered patterns of microstructural gray matter alterations that differed between those with long Covid and those who didn’t have long Covid after having a COVID-19 infection, particularly in basal brain structures.

“There is an impact of COVID-19 on the brain’s microstructure that we could measure with advanced diffusion imaging that was undetectable on conventional (MRI) imaging,” noted Dr. Rau, a resident in the Departments of Neuroradiology and Diagnostic and Interventional Radiology at University Hospital Freiburg in Freiburg, Germany. “Those alterations were associated with post-COVID condition associated symptoms such as fatigue, impaired olfaction, and cognitive decline. Thus, there is evidence that those alterations contribute to the pathophysiology of the post-COVID condition.”

MRI Study: People with Past Hospitalization for COVID-19 Have Nearly Triple the Risk of Multiorgan Abnormalities

New Meta-Analysis Details Most Common Brain MRI Findings with COVID-19

Seven Takeaways from New Consensus Recommendations for Cardiac MRI Assessment of COVID-19

For more insights from Dr. Rau, watch the video below.

Alexander Rau, M.D., discusses how diffusion microstructural imaging can differentiate gray matter shifts associated with long COVID symptomatology.

Can Diffusion Microstructural Imaging Provide Insights into Long Covid Beyond Conventional MRI?

In a recent interview, Alexander Rau, M.D., discussed emerging research, presented at the recent RSNA conference, that shows the capability of diffusion microstructural imaging to differentiate subtle shifts in microstructural gray matter associated with common symptomatology of long Covid.

Can Diffusion Microstructural Imaging Provide Insights Into Long Covid Beyond Conventional MRI?

A higher amount of visceral abdominal fat in one’s midlife years may be an early warning sign for the development of Alzheimer’s disease, according to magnetic resonance imaging (MRI) and positron emission tomography (PET) findings recently presented at the Radiological Society of North America (RSNA) conference.

In a cohort of 54 cognitively healthy people with an average body mass index (BMI) of 32, researchers found that a higher amyloid PET tracer uptake in the precuneus cortex, a brain region known to show early pathological sings of Alzheimer’s disease, was associated with a higher ratio of visceral abdominal fat to subcutaneous fat.

“Showing this association in midlife in individuals with obesity highlights that we are observing early amyloid pathology in the Alzheimer’s (disease) signature areas 20 years before the onset of Alzheimer’s disease,” noted Mahsa Dolatshahi, M.D., M.P.H., the lead author of the study and a postdoctoral research scholar affiliated with the Mallinckrodt Institute of Radiology at Washington University, in a recent video interview.

Emerging Neuroradiology Concepts: Could Tau-PET be a New Standard in Assessing Possible Alzheimer’s Disease?

FDA Clears AI-Powered MRI Software for Brain Atrophy

Brain PET Study Suggests Link Between Early Amyloid Accumulation and Repetitive Subconcussive Trauma

Cyrus A. Raji, M.D., Ph.D, said the long relied upon body mass index (BMI) is an “imperfect measure” for characterizing body fat. In taking a closer look at the anatomically specific distribution of visceral fat and subcutaneous fat and its relationship to the risk of developing Alzheimer’s disease, Dr. Raji noted the preliminary research findings have many potential implications for early intervention.

“By characterizing the actual distribution of fat and the biophysical profiles, we can really start building an idea of who needs a more aggressive form of lifestyle intervention or related drug therapies,” explained Dr. Raji, an associate professor of radiology and neurology at the Mallinckrodt Institute of Radiology at Washington University. 

“This will not only decrease the risk for Alzheimer’s disease for people at midlife, but it will also improve the potential for people to be more successful on any Alzheimer’s drug they may have to take later in life since individuals who take those drugs are less likely to benefit from those drugs if their underlying brain health is already impaired.”

For additional insights from Drs. Dolatshahi and Raji, watch the video below.

Researchers discuss new MRI and PET study findings that show a link between higher visceral abdominal fat and early development of Alzheimer's disease.

Emerging MRI and PET Research Reveals Link Between Visceral Abdominal Fat and Early Signs of Alzheimer’s Disease

In a recent interview, Mahsa Dolatshahi, M.D., M.P.H., and Cyrus A. Raji, M.D., Ph.D., discussed MRI and PET study findings, presented at the Radiological Society of North America (RSNA) conference, that showed an association between higher amyloid PET tracer uptake in the precuneus cortex and a higher visceral to subcutaneous fat ratio.

Emerging MRI and PET Research Reveals Link Between Visceral Abdominal Fat and Early Signs of Alzheimer's Disease

The recent Radiology Partners (RP) publication 

Neuroradiology and Stroke Clinical Pathway 

offers a practical best practice guidance for radiologists and technologists on the use and reporting of neuroimaging, including head and neck computed tomography angiography (CTA), cerebral perfusion CT and brain magnetic resonance imaging (MRI), for stroke patients.

In a recent interview, Vivek Bansal, M.D., makes it clear that the publication is geared toward achieving a consistent baseline standard for providing a high level of stroke imaging and care regardless of the size or resources of the given facility.

In a recent video interview, Vivek Bansal, M.D., discussed a recent Radiology Partners publication that offers practical tips and best practice guidance on CT and MRI neuroimaging for stroke patients.

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