Acharya, AM and Cherian, Blessin S and Bhat, Anil K (2020) Diagnostic accuracy of MRI for traumatic adult brachial plexus injury: A comparison study with surgical findings. Journal of Orthopaedics, 17. pp. 53-58. ISSN 0972-978X

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Abstract

We studied the diagnostic accuracy of MRI in 35 adult patients with traumatic brachial plexus injury in comparison with intra operative findings. The overall sensitivity to detect root avulsions was 39% and specificity was 75%. MRI was more useful in the diagnosis of lower root avulsions. At trunk and division level injuries, the sensitivity was 87% but specificity was only 26%. It was not able to differentiate the type and extent of post-ganglionic injuries. The accuracy of pseudomeningocele as avulsion on surgical finding was 96% (27/28). Pseudomeningocele correlates well with root avulsions. Its presence warrants early referral and surgical exploration.

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