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MRI Homepage

New study highlights gender disparity in radiology Fewer female radiologists are publishing research

World's first 10.5-Tesla human MR scan performed at University of Minnesota A 110-ton magnet with a world of potential

Availity announces debut of pre-clearance service at HIMSS Confirms imaging authorization in minutes and ensures patient payments prior to visit

Lisa Hazen ARRT appoints new Nuclear Medicine Technology (NMT) Relationship Manager

Radiology firm sues MR service provider for more than $68,000 in unpaid services Alleges breach of contract for failure to pay for services rendered

Elekta partners with Memorial Sloan Kettering for cancer research on MR-linac Will test MR-linac in treating tumors in nine parts of the body

New 3T MR from Philips cuts scan time in half Ingenia Elition 3T was unveiled at ECR and uses AI to enhance workflow

Radiologists configure MR to find bone and brain metastases in 7 minutes Increases efficiency by roughly 30 percent

Leveraging volumetric software and other new innovations provides more visible role for radiologists Adding objectivity to image analysis

Study of the 2016 Summer Olympic Games sheds light on imaging utilization rates May help plan imaging services for future events

Fewer motion and
pulsation artifacts

New brain MR technique improves brain imaging for restless children

by Lauren Dubinsky , Senior Reporter
Pediatric patients are notorious for moving during MR exams, which results in lower-quality images, but researchers in Seoul, South Korea have found a way to counteract that.

The study, titled “Three-Dimensional Radial VIBE Sequence for Contrast-Enhanced Brain Imaging: An Alternative for Reducing Motion Artifacts in Restless Children”, was recently published in the American Journal of Roentgenology.

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The results showed that a radial volumetric interpolated breathhold exam (radial VIBE) for contrast-enhanced brain MR, performed on children, is a viable alternative to the conventional method – magnetization-prepared rapid-acquisition gradient-echo (MP-RAGE) sequence.

Children may find it difficult to hold their breath, and that could lead to artifacts during the image acquisition process, according to a study published in the Indian Journal of Radiology and Imaging. In addition, younger children may require sedation or general anesthesia, which is associated with risks.

The research team performed 65 consecutive contrast-enhanced brain MR exams with MP-RAGE, and radial VIBE sequences were included. They then evaluated each image for motion, pulsation artifacts, overall image quality and lesion conspicuity.

The images generated with the radial VIBE sequence had fewer motion and pulsation artifacts than those obtained with the MP-RAGE sequence. Radial VIBE images also had significantly higher scores for all qualitative parameters, including overall image quality, among the 25 images with major motion artifacts.

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