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3.0-T magnetic resonance imaging in children with brachial plexus birth injury

Neural Regeneration Research 2011年第6期6卷 474-480页

作者： Shinong Pan Lijie Tian Wei Liao Feng Tian Jian Mao Fei Wang Rongjie Bai Qi Li zhianchen Qiyong Guo Department of Radiology Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China Department of Orthopedic Surgery Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China Department of Neonatal Medicine Shengjing Hospital of China Medical University Shenyang 110004 Liaoning Province China Department of Radiology Beijing Jishuitan Hospital Beijing 100035 China

Brachial plexus birth injuries in children are usually diagnosed using 1.5-T magnetic resonance imaging, while the application of high-field magnetic resonance imaging is rarely reported. Therefore, a retrospective comparison of 18 cases of children with brachial plexus injury was performed to investigate the characteristics of 3.0-T magnetic resonance imaging and intraoperative observations. Magnetic resonance examinations in 18 cases of children showed that pseudo-meningocele sensitivity, specificity, accuracy, and positivity rates were 83.3%, 79.6%, 81.1%, and 40.0%, respectively. As for the neuroma and fibrous scar encapsulation, the sensitivity, specificity, accuracy, and positivity rates were 92.9%, 50.0%, 83.3%, and 77.8%, respectively. These results confirm that 3.0-T high-field magnetic resonance imaging can clearly reveal abnormal changes in brachial plexus injury, in which pseudo-meningocele, fibrous scar encapsulation, and neuroma are the characteristic changes of obstetric brachial plexus preganglionic and postganglionic nerve injury.

关键词： magnetic resonance brachial plexus children delivery injury neuroimaging

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