Geoffrey Potjewyd

Clinical News
MRI correlates brain changes to cognitive decline
Researchers from multiple groups in the U.K., headed up at St George's University of London, have developed a single score MR imaging methodology for correlating cerebral small vessel disease damage to cognitive decline.
September 21, 2017
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Clinical News
3D-printed blood vessels reproduce patient clots
Dutch researchers have created a blood-vessel model that effectively replicates the formation of a blood clot caused by stenosis defects. The team developed a microfluidic blood-vessel model using layered stacks of CT angiography data combined with 3D printing.
August 16, 2017
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Top Stories
(Above) Fused axial image demonstrates uptake in the celiac ganglia. (Below) Corresponding CT scan. The celiac ganglia are visible. All figures courtesy of Dr. Jonathan Hunter, Dr. Jane Burns, and Prof. Martin O’Connell and presented at ECR 2025.
Molecular Imaging
F-18 PSMA PET-CT proves clinical value in prostate cancer
F-18 prostate-specific membrane antigen (PSMA) PET/CT is having a major impact on patient care and therapy decisions in prostate cancer, but it’s crucial to bear in mind the modality’s diagnostic quirks.
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Molecular Imaging
Combined PET scans predict progression of Alzheimer’s
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Molecular Imaging
PET scans predict outcomes for patients undergoing CAR T-cell therapy
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MRI
MRI-based nomogram provides boost in breast cancer
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CT
CT estimated to cause 5% of new cancer cases
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F-18 PSMA PET-CT proves clinical value in prostate cancer
By Philip Ward
F-18 prostate-specific membrane antigen (PSMA) PET/CT is having a major impact on patient care and therapy decisions in prostate cancer, but it’s crucial to bear in mind the modality’s diagnostic quirks.
April 24, 2025
(Above) Fused axial image demonstrates uptake in the celiac ganglia. (Below) Corresponding CT scan. The celiac ganglia are visible. All figures courtesy of Dr. Jonathan Hunter, Dr. Jane Burns, and Prof. Martin O’Connell and presented at ECR 2025.
Combined PET scans predict progression of Alzheimer’s
By Will Morton
Combining information from amyloid PET and FDG-PET scans can predict progression from mild cognitive impairment to Alzheimer's disease, a Spanish study has found.
April 23, 2025
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PET scans predict outcomes for patients undergoing CAR T-cell therapy
By Will Morton
PET scans performed at one or three months after patients with large B-cell lymphoma begin CAR T-cell therapy can indicate whether they are responding to the treatment.
April 21, 2025
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MRI-based nomogram provides boost in breast cancer
By Amerigo Allegretto
Pretreatment breast MRI can help quantify intratumoral heterogeneity and predict pathologic complete response in breast cancer patients.
April 18, 2025
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CT estimated to cause 5% of new cancer cases
By Will Morton
Researchers suggest that cancers associated with radiation from CT scans could eventually account for 5% of all new cases annually.
April 16, 2025
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AI-guided POCUS assists TB diagnosis in underserved areas
By Amerigo Allegretto
AI-guided POCUS can accurately detect tuberculosis (TB), according to research presented at the ESCMID conference in Vienna, Austria.
April 14, 2025
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CT effective for tracking colon cancer lymph node distribution
By Kate Madden Yee
Using CT to track lymph node distribution in colon cancer patients is more effective at identifying metastasis than conventional testing.
April 11, 2025
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PET reveals brain’s responses to music
By Will Morton
PET has provided the first neuroimaging evidence that music affects the brain’s opioid receptor system.
April 9, 2025
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SPECT/CT measure validated for diagnosing ATTR
By Will Morton
A research team in Finland has validated the accuracy of a SPECT/CT measure for diagnosing transthyretin amyloidosis.
April 7, 2025
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MRI safety manual gets a makeover
By Kate Madden Yee
Emergency situations, MRI screening, and special patients and personnel are addressed in an updated safety guide.
April 4, 2025
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Resolution on imaging access awaits World Health Assembly approval
By Maryam Payne
The WHO board has adopted the Strengthening Medical Imaging resolution and it now looks set for approval by the World Health Assembly. Prof. Hedvig Hricak moderated an important webinar on the topic last week.
April 1, 2025
Dr. Hedvig Hricak.
What can we learn from astronauts' use of ultrasound?
By Amerigo Allegretto
Ultrasound is really pushing the boundaries of space medicine, say experts. A congress session has cast new light on the subject.
April 1, 2025
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