Evaluation of Pediatric MRI with a High-Density Posterior Cushion Coil

作者：Terrence Jao, Praveen Jayapal, Jana Vincent, Fraser Robb, John M. Pauly, Thomas Grafendorfer, Yun Jeong Stickle, Mark Giancola, Clyve Follante, Greig Scott, Shreyas Vasanawala, Ali Syed · 发表于：Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition · 年份：2025 · DOI：10.58530/2025/0538 · 研究领域：Advanced MRI Techniques and Applications、Hip disorders and treatments、Fetal and Pediatric Neurological Disorders

Motivation: Posterior coil arrays built into MRI tables are common, but provide suboptimal performance in pediatric imaging due to their distance from the imaged volume and lower coil density. Goal(s): Improve pediatric MRI by constructing a prototype 30 channel high density posterior cushion coil (HDPCC) incorporated into a padded cushion. Approach: 25 pediatric patients were scanned with HDPCC. 25 age-matched controls were scanned with standard coils. Two radiologists graded image quality on a 5-point scale. SNR was measured in the right paraspinal musculature and the liver. Results: All images obtained with HDPCC were diagnostic (mean score 4.13/5). Posterior SNR was higher than standard coils. Impact: HDPCC can improve SNR in pediatric MRI by conforming to the body and minimizing distance to the imaged volume.