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Two-In-One Contrast Agent For Medical Imaging
Magnetic resonance imaging (MRI) visualizes internal body structures, often with the help of contrast agents to enhance sensitivity. A Belgian team of scientists has now developed a bimodal contrast agent suited for two imaging techniques at once, namely, MRI and a technique called photoacoustic imaging. The use of only one contrast agent for two imaging techniques improves the sensitivity of both, with only little impact on the patient's body.
MRI is a widely used technique in medicine and research and is known for its good resolution. Structures down to a hundredth of a millimeter can be resolved. However, sensitivity, the ability to detect something at all, is sometimes an issue. Therefore, contrast agents are often administered to improve the clarity by which the structures can be seen.
The results of MRI can also be improved in combination with complementary imaging methods, which
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Imaging A Brain Thinking, Using A New MRI Technique
An international team of researchers with partial support from the National Institute of Biomedical Imaging and Bioengineering (NIBIB) developed a new MRI technique that can capture an image of a brain thinking by measuring changes in tissue stiffness. The results show that brain function can be tracked on a time scale of 100 milliseconds – 60 times faster than previous methods. The technique could shed new light on altered neuronal activity in brain diseases.
The human brain responds almost immediately to stimuli, but non-invasive imaging techniques haven’t been able to keep pace with the brain. Currently, several non-invasive brain imaging methods measure brain function, but they all have limitations.
Most commonly, clinicians and researchers use functional magnetic resonance imaging (fMRI) to measure brain activity via fluctuations in blood oxygen levels.
However, a lot of vital b
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Le Bonheur Children's Hospital Successfully Creates Airway and Voice Box for Child
Le Bonheur Children's Hospital reconstructed an airway and voice box in the world's first successful surgery of its kind for 2-year-old Cooper Kilburn from Adamsville, Tenn.
Experience the interactive Multichannel News Release here: https://www.multivu.com/players/English/8465051-le-bonheur-childrens-hospital-a-voice-for-cooper/
A team of pediatric experts, led by Le Bonheur Children's Hospital and The University of Tennessee Health Science Center Otolaryngologist Jerome Thompson, M.D. used a rib graft to create a voice box and establish a viable airway for Cooper.
When his mother Brooke was 16 weeks pregnant with Cooper, she was in a car wreck that prompted her to visit the obstetrician for an ultrasound to make sure all was well with her baby. "The doctor saw something wrong but didn't know what it was," said Brooke. The ultrasound revealed that fluid was building in Cooper's chest
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New AI Tool Developed By Dana-Farber Identifies Cancer Outcomes Using Radiology Reports
Scientists at Dana-Farber Cancer Institute have demonstrated that an artificial intelligence tool can perform as well as human reviewers - and much more rapidly - in extracting clinical information regarding changes in tumors from unstructured radiology reports for patients with lung cancer.
The AI tool performed comparably to trained human "curators" in detecting the presence of cancer; and whether it was responding to treatment interventions, stable or worsening.
The goal of the study, said corresponding author Kenneth Kehl, MD, MPH, a medical oncologist and faculty member of the Population Sciences Department at Dana-Faber, was to determine whether artificial intelligence tools can extract the most high-value cancer outcomes from radiology reports, which are a ubiquitous but unstructured data source.
Kehl noted that electronic health records now collect vast amounts of information