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 compa...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.展开更多
文摘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.
