Jonathan S. Batchelor

RSNA
Medicare database shows radiologists losing turf
U.S. radiologists have long swapped stories of how their imaging procedures were raided by other specialists. Researchers at Thomas Jefferson University Hospital in Philadelphia reviewed several years’ worth of Medicare data in an effort to determine how much ground radiologists have actually lost.
December 26, 2001
MRI
Rise in MR use traced to technology, applications
The U.S. Office of Inspector General is concerned about the growth in MR utilization, according to researchers from Thomas Jefferson University Hospital in Philadelphia. At the 2001 RSNA meeting in Chicago, they shared their analysis of MRI's recent gains.
December 25, 2001
MRI
Smaller fields of view cut MR spectroscopy scan time
While recent advances in the clinical application of magnetic resonance spectroscopy imaging are allowing radiologists to use the modality more effectively, the long scan time is still an issue. At the 2001 RSNA meeting, investigators from Baltimore shared a faster MRSI protocol.
December 19, 2001
Digital X-Ray
Molecular manufacturing aims for digital x-ray market
A New York startup called Nanocrystal Imaging has discovered a process for creating phosphor-filled microchannel scintillator plates. The nanometer-sized luminescent material could lead to improved image quality and lower dose in digital radiography systems.
December 12, 2001
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PACS/VNA
PACS-RIS integration moves forward at RSNA
Integrating the report-based RIS with the image-based PACS has long been a goal of radiology administrators. Often, however, promises of faster workflow and higher productivity have been a Siren's song, luring would-be systems integrators to invest in products that can't communicate. Fortunately, two presentations at last week's RSNA meeting offered a safer course to success.
December 6, 2001
Breast
Ultrasound aids mammography in breast cancer diagnosis
CHICAGO - Using ultrasound as an adjunct to mammography for breast cancer detection can significantly improve diagnosis, according to researchers from Maastricht University Hospital in Maastricht, the Netherlands. Dr. Karin Flobbe presented the results of her group’s study on Friday at the RSNA show.
December 2, 2001
Breast
Mammography positioning tool improves image, patient comfort
CHICAGO - A breast positioning product, based on an idea patented in 1996 by Massachusetts General Hospital in Boston, shows tremendous promise in improving patient comfort as well as providing a greater field of view for imaging.
November 28, 2001
Economics
Medicare data shows odd trend for myelography
CHICAGO - By all accounts, MR spine imaging has supplanted the use of myelography by neuroradiologists. However, according to a group of researchers from Thomas Jefferson University Hospital in Philadelphia, Medicare billing for myelography almost doubled between 1993 and 1999.
November 28, 2001
CT
CT is the gold standard for inhalation anthrax imaging
CHICAGO - More than 700 attendees gathered for a session on how CT can accurately diagnose suspected inhalation anthrax.
November 28, 2001
MRI
Java junkies exhibit different cerebral blood flow
CHICAGO - If you’re a radiologist planning a cerebral perfusion or functional MR imaging (fMRI) study, you need to know if the patient is a java junkie, according to research conducted at Wake Forest University in Winston-Salem, NC.
November 27, 2001
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Restaging MRI in rectal cancer patients helps predict outcomes
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A new study found that restaging MRI could stratify patients into clinical response categories that were predictive of patient outcomes.
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2024 09 03 Images Medium Radiol 232748 fig1 Thumbnail
GPT-4V is limited in interpreting radiologic images
By Will Morton
GPT-4 Vision (GPT-4V) performs well on text-based radiology exam questions but struggles to answer image-related questions accurately.
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Machine learning used with CT imaging foretells lung abnormalities
By Kate Madden Yee
Using machine-learning models with CT images helps clinicians predict interstitial lung abnormalities, researchers have reported.
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MRI model predicts treatment response in breast cancer patients
By Amerigo Allegretto
Radiomics scoring derived from contrast-enhanced MRI can predict treatment response in women being treated for triple-negative breast cancer.
September 3, 2024
Axial dynamic contrast-enhanced MRI scans show results from two women before they underwent neoadjuvant chemoimmunotherapy for triple-negative breast cancer. (A) T1-enhanced MRI scan, (B) rate constant for contrast agent plasma-to-interstitial transfer (Ktrans) map, and (C) maximum contrast agent uptake rate (Slopemax) map in a 56-year-old woman depict a tumor that manifested as a spherical 4-cm mass enhancement (arrow in A) in the right breast with axillary node involvement (arrowhead in A). The radiomics score was high, at 3.3. Histopathologic examination after chemotherapy revealed no invasive residual cancer in the breast or the lymph nodes (pathologic complete response). (D) T1-enhanced MRI scan, (E) Ktrans map, and (F) Slopemax map in a 49-year-old woman show a tumor that manifested as a spiculated 3-cm mass enhancement (arrow in D) in the left breast with thickening of the skin (arrowhead in D). The parametric maps show much greater spatial heterogeneity than in the case shown in B and C, with areas of high intensity. The radiomics score was low, at −1.6. Histopathologic examination after chemotherapy revealed a 10-mm invasive residual cancer in the breast (not pathologic complete response). Image courtesy of the RSNA.
AuntMinnie 2011: Joint Commission issues alert on medical radiation
By Eric Barnes
In 2011, our most highly viewed article reported on a sentinel alert from the Joint Commission on the dangers of medical radiation.
September 3, 2024
Am Logo Main 25 Anniversary Thumbnail 66635a3c44252 66ae4e8a1f10e
Radiologists in Turkey describe aftermath of 2023 earthquakes
By Will Morton
Radiologists in Turkey have described events that occurred in the first 24 hours in a radiology unit after two major earthquakes devastated the country on February 6, 2023.
August 30, 2024
The number of patients affected by region. Images available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of Tomography.
How did radiology practices perform in the 2023 MIPS final results?
By Erin Stephens
In a new column, Erin Stephens of Healthcare Administrative Partners shares how radiology practices can find out how their MIPS performance score will affect 2025 Medicare reimbursement.
August 30, 2024
Erin Stephens.
Low risk of oropharynx cancer on PET/CT, surgeons advise
By Will Morton
Radiologists can help reduce unnecessary follow-up work in patients with suspected oropharynx cancer by analyzing certain metrics on PET/CT scans.
August 30, 2024
Headandneck2
How do radiology residencies do when it comes to LGBTQ+ inclusivity?
By Kate Madden Yee
Overall, radiology residency programs exhibit high levels of LGBTQ+ inclusivity. But there's still room for improvement.
August 29, 2024
Gay Pride Rainbow Flag
PET reveals brain pathology that may drive depression
By Will Morton
Early brain accumulation of amyloid plaque on PET scans is associated with emerging depressive symptoms in cognitively unimpaired older adults.
August 29, 2024
Pittsburgh Compound B (PiB) PET distribution volume ratio (DVR) images were projected onto fsaverage surfaces from FreeSurfer and surface smoothed, with PiB (amyloid) slope maps created using ordinary least squares regression (time as only factor) and mixed effects models for 154 participants run at each vertex (P < .01; model: longitudinal Geriatric Depression Scale score estimated by amyloid slope × time + [sex + education + age] × time). This map visualizes the results of the linear mixed-effects models (t score of the main variable, amyloid slope × time) such that regions with a greater t score (red) represent areas in which greater depressive symptoms are associated with greater amyloid accumulation (amyloid slope). Anatomical landmarks are provided: L refers to the left hemisphere, R refers to the right hemisphere, and additional labels indicate the anterior and posterior ends of the brain. Images available for republishing under Creative Commons license (CC BY 4.0 DEED, Attribution 4.0 International) and courtesy of JAMA Open Network.
7 key factors that negatively affect CT contrast administration
By Kate Madden Yee
There are seven critical but often neglected factors that negatively affect the administration of CT contrast, according to a recent study.
August 29, 2024
Contrast Injector
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