Medical Imaging

Physicians utilize medical imaging to see inside the body to diagnose and treat patients. This includes computed tomography (CT), magnetic resonance imaging (MRI), X-ray, ultrasound, fluoroscopy, angiography,  and the nuclear imaging modalities of PET and SPECT. 

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Stereotactic radiation can extend survival for late-stage cancer patients

“In this study, for patients with stage-IV disease, we have a treatment paradigm that can result in long-term survival while maintaining overall quality of life,” said senior author of the study, Dwight E. Heron, MD.

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AI trained to interpret pediatric x-rays based on an entire series of images

Researchers used a convolutional neural network (CNN) to classify acute and non-acute findings in pediatric elbow x-rays, according to new research published in Radiology: Artificial Intelligence. The team’s recurrent neural network was able to interpret an entire series of images together, mimicking the decision-making process of a human radiologist.

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Radiologists can confidently use LI-RADS 2018 in patients at high-risk for HCC

A group of researchers from the Republic of Korea found the 2018 Liver Imaging and Reporting Data System (LI-RADS) could accurately differentiate hepatocellular carcinoma (HCC) from other malignancy in patients with liver cirrhosis, according to a study published Jan. 29 in Radiology.

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Some chemo drugs might be more heart-safe than others

Current conversion ratios may be underestimating the long-term cardiotoxicity of common chemotherapy agents like mitoxantrone and overestimating the cardiovascular risk of anthracyclines like daunorubicin, researchers reported in JAMA Oncology Jan. 31.

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Funding for medical imaging AI companies tops $1.2B

Companies developing machine-learning solutions for medical imaging have received more than $1.2 billion in capital investments since 2014, according to a report by Signify Research.

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SNMMI, ACNM oppose changes to amount of training required to administer radiopharmaceuticals

The Society of Nuclear Medicine and Molecular Imaging (SNMMI) and American College of Nuclear Medicine (ACNM) submitted a joint statement to the Nuclear Regulatory Commission (NRC) opposing potential changes in the NRC’s training and experience requirements for authorized users to administer radiopharmaceuticals.  

AI algorithm IDs wrist fractures with 98% sensitivity

Researchers have trained an AI algorithm to identify and locate radius and ulna fractures on wrist radiographs with 98 percent sensitivity and 73 percent specificity, on a per study basis. Their findings were published in the Radiological Society of North America’s new journal Radiology: Artificial Intelligence.

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How to improve prostate cancer detection during MRI-targeted transrectal US biopsies

Researchers have determined that increasing the number of core biopsy samples obtained using MRI-targeted transrectal ultrasound biopsy can lead to the detection of more clinically significant prostate cancers.