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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Radiology residents rival sonographers at spotting appendicitis, but downstream imaging concerns linger

On-call trainees are a great resource during off-hours, but must avoid missing key organs during ultrasound exams to prevent unnecessary follow-up CT and MRIs, experts wrote in Academic Radiology.

One-third of physicians order thyroid ultrasounds unsupported by clinical guidelines

While a majority of exams were necessary, Michigan Medicine researchers said recommendations could be more clear.

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More women learn their mammograms were misread by suspended radiologist

One former patient was assured her scans performed in 2013, 2014, and 2015 were fine, but she was later diagnosed with stage 4 breast cancer.

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Despite higher Alzheimer’s risk, patients can handle amyloid PET exam results

Those who learned they had elevated amyloid levels did not suffer from more short-term anxiety, depression or suicical thoughts, experts reported in JAMA Neurology.

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New radiation-dose estimation process moves nuclear medicine closer to customized cancer therapy

Researchers used a single SPECT/CT scan performed post-therapy to estimate how much radiation a patient’s tumor and at-risk organs will absorb.

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Ultrasound, 3D printing combine to help blind parents feel their babies' faces

The idea came about after a sonographer at Johns Hopkins wondered if the technology could be used to create a model for a blind mother.

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How one mobile mammography program took on breast cancer in underserved women

Authors of the five-year Project Valuable Area Life-Saving Exams in Town program say their results should prompt the creation of similar strategies across the U.S.

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MIT’s AI system diagnoses chest conditions on x-rays, but knows when a radiologist could do better

The hybrid platform proved more accurate at detecting enlarged heart cases than machine learning or a human reader working independently.

Around the web

Harvard’s David A. Rosman, MD, MBA, explains how moving imaging outside of hospitals could save billions of dollars for U.S. healthcare.

Back in September, the FDA approved GE HealthCare’s new PET radiotracer, flurpiridaz F-18, for patients with known or suspected CAD. It is seen by many in the industry as a major step forward in patient care. 

After three years of intermittent shortages of nuclear imaging tracer technetium-99m pyrophosphate, there are no signs of the shortage abating.