Wayne Forrest

MRI
Quantitative MRI could advance prostate cancer detection
Researchers are reporting early success with a novel quantitative MRI technique designed to calculate changes in tissue volume within the prostate to improve the diagnosis of cancer and better evaluate its aggressiveness, according to a study published in the June issue of Radiology.
May 23, 2018
2018 05 23 23 08 1123 Oto Cancer Volume Images 20180523231144
MRI
Novel MRI scanner fits extremity imaging like a glove
Extremity imaging may never be the same if researchers from NYU Langone Health have their way. They are developing an MRI device that fits over a patient's hand like a glove to image moving joints, as detailed in a study published May 8 in Nature Biomedical Engineering.
May 21, 2018
2018 05 21 22 40 1347 Extended Arm Hand Mri Cloos2 400
MRI
FDA adds 8 gadolinium MRI agents to medication guide
The U.S. Food and Drug Administration (FDA) is continuing to update its information for patients, clinicians, and other healthcare practitioners regarding gadolinium-based contrast agents (GBCAs) by adding eight GBCA products to its medication guide.
May 17, 2018
2016 10 04 14 10 28 621 Gadolinium 400
Nuclear Medicine
Immuno-PET tracer offers hope for early cancer treatment
Researchers are developing a PET radiotracer designed to adhere to and illuminate immune cells in cancer patients. They believe it could offer an earlier look at treatment response compared with tracers such as FDG that focus on cancer cells, according to a study published May 14 in the Journal of Clinical Investigation.
May 16, 2018
2018 05 17 15 12 8252 Ox40 Pet Mouse 400
Nuclear Medicine
PET with novel tracers foretells early Alzheimer's risk
Researchers are making strides toward discovering which individuals have an increased risk of Alzheimer's disease thanks to two novel PET radiotracers that show increased uptake in key regions of the brain, according to two studies published online May 14 in JAMA Neurology.
May 14, 2018
2017 04 25 09 37 45 26 Brain Gears 400
MRI
MRI shows possible cause for attention woes after stroke
MRI scans appear to have uncovered abnormalities in certain brain pathways that may cause attention deficiencies among patients who have experienced subcortical strokes, according to a study published online May 8 in Radiology.
May 8, 2018
2018 05 08 22 13 0935 2018 05 09 Mri Stroke Attention Thumb
MRI
Researchers link brain tumor treatment to GBCA deposition
Could the treatment of brain tumors with radiation therapy contribute to the amount of gadolinium deposition in the brains of children who have received gadolinium-based contrast agents (GBCAs) during MRI scans? That's the implication of a new study published in the May issue of Radiology.
May 7, 2018
2017 05 26 14 17 18 219 Gadolinium2 400
Nuclear Medicine
Novel PET tracer could help assess arthritis
Researchers from South Korea have developed a novel PET tracer that can be used to visualize joint inflammation in mice and potentially could provide an early diagnosis of rheumatoid arthritis in humans, according to a preclinical study in the Journal of Nuclear Medicine.
May 6, 2018
2018 05 05 00 07 3599 Jnm Preclinical Arthritis Mice 400
MRI
FDA issues new labeling for gadolinium contrast
The U.S. Food and Drug Administration (FDA) in April published revised product labeling for linear and macrocyclic gadolinium-based contrast agents. The new labeling includes a section on gadolinium retention.
May 2, 2018
2016 09 02 09 36 05 93 Fda Logo V2 400
Nuclear Medicine
Theranostic approach could aid pancreatic cancer patients
German researchers obtained positive results with a novel diagnostic and therapeutic (theranostic) approach for ductal pancreatic adenocarcinoma used with SPECT/CT, scintigraphy, and PET/CT. Their findings were published in the May issue of the Journal of Nuclear Medicine.
May 2, 2018
2018 05 03 00 33 9310 Jnm Theranostics 20180503002256
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Breast Cancer
Molecular Imaging
Experts issue appropriate use criteria for molecular breast imaging
The criteria offer use scenarios for technetium-99 (Tc-99m) sestamibi-based gamma camera imaging of the breast.
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MRI
fMRI: Cognitive behavioral therapy positively affects the brain
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Post Cures Act, outpatients access radiology reports faster
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MRI
MRI may help guide brachial plexus surgery
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Ultrafast MRI exam bests standard MRI for classifying breast cancers
By Amerigo Allegretto
An ultrafast MRI-based radiomics exam performs just as well as standard MRI and isn’t dependent on radiologist experience.
January 28, 2025
Ultrafast and standard MRI in a 30-year-old woman with triple-negative invasive ductal carcinoma. (A) Ultrafast MRI taken 16.8 seconds after contrast agent injection. (B) Standard MRI taken 58.8 seconds after contrast agent injection. Both images show an oval-shaped, irregular marginated, rim-enhancing mass in the left outer breast. For 3D tumor segmentation, the entire enhanced tumor margins were drawn from top to bottom of each tumor in axial views of U2 phase postcontrast ultrafast MRI and the initial phase postcontrast standard MRI. Among the 14 ultrafast images, U1 is the first phase in which the signal intensity of the hotspot region of interest of the tumor is 10% higher than the average signal intensity of unenhanced images. U2 is the immediate next phase of U1 and the well-established tumor enhancement time.
63% of heavy cannabis users show reduced working memory ability
By Kate Madden Yee
Functional MRI reveals that 63% of heavy lifetime cannabis users show reduced brain activity during a working memory task -- and that 68% of recent users also show this impact.
January 28, 2025
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GPT-4 could prove useful proofreading CT reports
By Will Morton
GPT-4 showed strong performance identifying factual errors in radiology reports, yet struggled to prioritize clinically significant findings.
January 28, 2025
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Does obesity improve NSCLC patients' postsurgery survival?
By Kate Madden Yee
Obesity appears to improve the overall post-surgery survival of patients with non-small cell lung cancer (NSCLC) by 21% compared with their nonobese peers.
January 28, 2025
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Global survey shows deep concerns over burnout, workforce shortages
By Amerigo Allegretto and Philip Ward
Burnout, workforce shortages, and locally trained clinicians leaving the field are the top concerns among radiologists worldwide, according to survey findings.
January 27, 2025
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New guidance issued on FAP-PET imaging
By Will Morton
Top U.S. and European nuclear medicine organizations have issued joint guidelines on the use of fibroblast activation protein (FAP)-PET imaging in cancer patients.
January 27, 2025
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IMV: Independent imaging centers face competition for CT scan volume
By Davin Korstjens
Independent imaging centers are experiencing increased competition for CT patients, according to the newly published IMV 2024 CT Market Outlook Report.
January 27, 2025
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Brain MRI tracks risk of stage IV breast cancer metastases
By Kate Madden Yee
Brain MRI shows promise for surveilling women at risk for asymptomatic stage IV breast cancer metastases by tracking molecular subtypes of the disease.
January 24, 2025
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Experts call for CPT codes for imaging AI reimbursement
By Amerigo Allegretto
Imaging AI tools and algorithms continue to be rapidly developed, but experts say reimbursement through CPT codes is needed.
January 24, 2025
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Is herpes infection protective in early Alzheimer’s disease patients?
By Will Morton
In a recent PET study with “unexpected” results, patients infected with herpes had fewer signs of brain deposits associated with Alzheimer’s disease than uninfected patients.
January 24, 2025
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Triple-negative breast cancers impact female populations differently
By Amerigo Allegretto
Despite overall breast cancer rate increases, women of varying race and ethnicity experience disproportionately higher increases.
January 24, 2025
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What brain mechanisms drive depression in older adults?
By Will Morton
PET has revealed that mechanisms other than amyloid brain deposits may underlie depressive symptoms in people later in life.
January 23, 2025
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