Nuclear Medicine: Page 2

Researchers offer hypothesis for long COVID brain fog

A group in France has offered an explanation for long COVID brain fog, with the concept based on a visual brain pattern they discovered on patient PET scans.

October 19, 2023

Hypometabolism detected with F-18 FDG-PET in long-COVID patients: putative astrocyte dysfunction and glutamatergic dysregulation. (A) PET scan of a healthy subject. (B) PET scan of a long COVID patient. Hypometabolic areas are indicated with arrows. (C) A diagram showing a healthy condition in which an astrocyte has a normal capacity to take up glutamate and recycle it to sustain glutamatergic neurotransmission, giving rise to normal glucose utilization and lactate production to ensure adequate neuronal energy supply. (D) A diagram showing a long COVID condition in which an astrocyte has reduced glutamate uptake capacity, leading to reduced glutamate recycling, lower glucose utilization (observed with F-18 FDG-PET as hypometabolism) and lower lactate production, dysregulating glutamatergic neurotransmission, and possibly endangering neuronal survival.

TRIGA reactor fuel supply restored in the U.S

Pennsylvania State University has received the first TRIGA nuclear research reactor fuel delivery in the U.S. in a decade.

October 12, 2023

Penn State received the TRIGA reactor fuel on September 27.

Does a dedicated PET prostate cancer scanner have clinical potential?

A recently built small PET scanner may improve the detection of prostate cancer and could ultimately reduce invasive patient biopsies to confirm disease.

October 6, 2023

A photograph of the detector ring of the ProsPET system.

IAEA's Rays of Hope initiative establishes anchor centers

Rays of Hope – the International Atomic Energy Agency's (IAEA) flagship cancer initiative – has named inaugural "anchor centers" in five countries.

September 29, 2023

'Hype' is over for PET/MRI, experts say

PET/MRI has entered the "Slope of Enlightenment" phase of the Gartner Hype Cycle, according to experts.

September 26, 2023

The Gartner Hype Cycle

Rare finding detected on PSMA-PET: A nonprostatic lung tumor

A group in Australia has described a rare finding during a prostate cancer restaging PET/CT scan – a pulmonary tumor embolism.

September 25, 2023

Hybrid contrast-enhanced CT (with iodinated contrast bolus timed to maximize pulmonary arterial visualization) and F-18 DCFPyL PSMA-PET images. Contrast CT images (A, B) show an eccentric filling defect in the superior lingula segmental artery of the left lung upper lobe (red arrow). This is concordant with moderately intense PSMA radiotracer expression (black arrows on axial PET-only images, C, and on whole-body maximum intensity projection image, E). Fused PET and contrast-enhanced CT axial image (D) also confirm the lesion (red arrow). No other site of PSMA expressing metastasis is evident on whole-body imaging (E).

Is Pylarify better than Ga-68 PSMA-11 for prostate cancer imaging?

Subtle differences in how PSMA-PET radiotracers perform in patients before Pluvicto treatment may determine which become the future tracers of choice.

September 22, 2023

PSMA-PET imaging

ADNI aims to increase diversity in clinical trials.

The Alzheimer's Disease Neuroimaging Initiative (ADNI) has launched its latest study with a focus on enrolling a more diverse population.

September 15, 2023

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Can ChatGPT help prepare patients for PET scans?

ChatGPT can substitute for staff advice given to patients about PET/CT scans, according to a group in Germany.

September 14, 2023

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MITA asks CMS to improve radiopharmaceutical coverage

By AuntMinnie.com staff writers

The Medical Imaging and Technology Alliance (MITA) has raised concerns over a proposed 2024 Medicare rule.

September 13, 2023

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New PET tracer shows promise visualizing cardiac amyloidosis

A team at Harvard University in Cambridge, MA, has tested the first PET radiotracer specifically for visualizing cardiac amyloidosis, also known as "stiff heart syndrome," according to a recent study.

September 12, 2023

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Dual-targeting PET tracer begins to show its stripes

New evidence suggests that PET/CT imaging with a gallium-68 (Ga-68)-labeled heterodimeric radiotracer is highly effective for visualizing various types of malignant cancer, according to a group in China.

September 12, 2023

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