Will Morton

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Molecular Imaging

Immuno-PET tracer shows promise in patients with liver cancer

A new PET radiotracer has the potential for visualizing responses in liver cancer patients undergoing immunotherapy.

December 12, 2024

PET/CT images of F-18 AlF-NOTA-BCP137 in patients with hepatocellular carcinoma (HCC) and immunofluorescence analysis of patient tissues. (A) F-18 AlF-NOTA-BCP137 PET/CT images before and after immunotherapy for patient 1 and patient 2. (B) F-18 AlF-NOTA-BCP137 PET/CT and MR images of patient 3 (left panels) after one cycle of immunotherapy. PET images showed higher uptake by tumor and spleen, and PET result was evaluated as positive; therefore, the patient was considered to be responder to treatment and underwent surgical resection. Representative images of hematoxylin and eosin (HE) staining and multiplex immunofluorescence of CD8 and CD137 (right panels) in HCC tumor and adjacent normal tissues of patient 3 after surgery. Nuclei were stained with 4′,6-diamidino-2-phenylindole. Primary tumors are indicated by white arrows, and increased thyroid uptake is indicated by red arrow in PET images. Image courtesy of the Journal of Nuclear Medicine.

Shutting down angio systems reduces environmental impact

Shutting down angiography imaging systems after 15 minutes of idle time has the potential to save nearly half of the system’s annual energy consumption.

December 9, 2024

Molecular Imaging

New SPECT-based coronary risk score developed for women

A new risk score based on SPECT imaging and other variables can accurately predict risks for women of major adverse cardiovascular events.

December 6, 2024

Heart Infection

Molecular Imaging

AI chatbots tested on patient questions about Lu-177 PSMA-617

AI chatbots have considerable potential to answer common patient questions about theranostics treatments but struggle with the complexity of the topic.

December 5, 2024

AI x-ray tool improves screening for osteoporosis

A commercially available AI model helped identify patients at risk of low bone mineral density in a real clinical setting.

December 4, 2024

Highly processed foods affect muscle quality

MRI scans have revealed that eating ultraprocessed foods is associated with higher amounts of fat stored inside thigh muscles.

December 4, 2024

Axial T1-weighted bilateral thigh MR images and magnified frames providing a closer look at the areas in lateral aspects of quadriceps femoris muscles (knee extensors) from two obese, female participants, aged 58 (A) and 62 years (B), respectively. In A, the thigh muscles on both sides demonstrate abundant fatty streaks, consistent with a high Goutallier grade for this participant, whose diet from the past 12 months consisted of 68% ultraprocessed foods. In B, the thigh muscles show fewer fatty streaks as highlighted in the magnified image, consistent with a low Goutallier grade for this participant, whose diet contained only 36% ultraprocessed foods. Image courtesy of RSNA.

Radiologists can help reduce cycles of intimate partner violence

Radiologists can detect evidence of intimate partner violence before women disclose it and help facilitate earlier interventions to reduce cycles of abuse, according to an RSNA 2024 talk.

December 3, 2024

AI improves clinical workflows in European hospital system

A commercially available AI fracture detection model significantly improved clinical workflows when deployed in a four-hospital system in Norway.

December 3, 2024

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Molecular Imaging

PET/CT can detect prostate cancer in 'PSA 0' patients

PET/CT scans in patients treated for prostate cancer can detect early progression of the disease, despite undetectable prostate-specific antigen (PSA) levels.

December 2, 2024

Molecular Imaging

FAPI-PET/CT shows promise in diagnosing breast cancer

Gallium-68 fibroblast activation protein inhibitor (FAPI) PET/CT shows promise for detecting primary and metastatic breast cancer.

December 1, 2024

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DWI with fat correction identifies liver scarring in MASLD patients

An MRI technique that corrects for fat in the liver appears to perform comparably to MRE for detecting fibrosis.

Emergency Sign

Ghost scans problematic in POCUS trauma exams

Prostate Imaging

PSMA-PET may require selective use to be cost-effective

Toe Joint

New procedure treats chronic pain in toe joints

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DBT plus synthesized mammo leads to less false-positive recalls

By Amerigo Allegretto

A subanalysis of the TOSYMA trial found that DBT plus synthesized mammography leads to lower false-positive recall rates compared to digital mammography.

September 16, 2025

Breast Tomosynthesis Digital Social

Disparities persist in UFE access, utilization

By Kate Madden Yee

Disparities persist across the U.S. in access to and use of uterine fibroid embolization (UFE) compared with surgical treatments.

September 16, 2025

DL algorithm estimates lung nodule cancer risk, reduces false positives

By Kate Madden Yee

The deep-learning (DL) tool reduced false-positive results by almost 40% and showed high cancer detection rates.

September 16, 2025

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LLMs perform well on Japanese radiology board exam

So far, LLMs have passed text-based radiology exams but their image interpretation capabilities have not been impressive.

September 15, 2025

Question 4 from the Japan Diagnostic Radiology Board Examination 2024, representing a clinical scenario of a man in his 30s presented with transient dysphasia. The question asks to identify the most probable diagnosis from the following options: (a) glioblastoma, (b) hemangioblastoma, (c) metastatic brain tumor, (d) oligodendroglioma, and (e) primary central nervous system lymphoma (PCNSL). The correct answer is (d) oligodendroglioma. The figure also includes a summary of responses from four large language models, along with their legitimacy scores rated by diagnostic radiologists.

CCTA reveals that CAD can occur in the absence of typical risk factors

By Kate Madden Yee

Patients without coronary artery disease (CAD) risk factors may exhibit a similar degree of coronary inflammation to those with them.

September 15, 2025

Heart Pulmonary Trunk

PET/MRI shows promise in rectal cancer

F-18 FDG-PET/MRI provided superior detection of lymph nodes and tumor deposits over standard imaging.

September 15, 2025

Neuroinflammation persists for 2 years in long COVID

Increased inflammatory activity was found on TSPO-PET in some individuals with post-COVID syndrome.

September 12, 2025

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6 key ways to evaluate the heart on chest CT imaging in the ED

By Kate Madden Yee

Researchers have published two checklists for noncardiac radiologists to use when evaluating chest CT exams taken in the ED.

September 12, 2025

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Ultrasound-guided biopsies effective in diagnosing lung cancer

By Amerigo Allegretto

Ultrasound-guided biopsies are effective for diagnosing lung cancer, with combined sampling improving successful tissue yield.

September 12, 2025

Ultrasound Diagnostic Control Panel 400 (1)

The rise of theranostics: Part 6 -- Private practices pivot to clinical trials

Regional capacity slowly builds for burgeoning demand, but data is lacking on nuclear medicine and theranostics needs across the U.S.

September 12, 2025

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Medicare pays about one-third of radiology SaaS AI claims

Between 2018 and 2023, radiologists received $8 million in payments but were denied a potential $16.4 million.

September 11, 2025

4 ways AI is modernizing MRI to solve radiology’s toughest problems

AI can play a key role in MRI in several ways, including helping to reduce wait times and addressing radiologist burnout.

September 11, 2025

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