3-Tesla MRI-assisted detection of compression points in ulnar neuropathy at the elbow in correlation with intraoperative findings.

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3-Tesla MRI-assisted detection of compression points in ulnar neuropathy at the elbow in correlation with intraoperative findings.

J Plast Reconstr Aesthet Surg. 2018 Mar 06;:

Authors: Hold A, Mayr-Riedler MS, Rath T, Pona I, Nierlich P, Breitenseher J, Kasprian G

Abstract
INTRODUCTION: Releasing the ulnar nerve from all entrapments is the primary objective of every surgical method in ulnar neuropathy at the elbow (UNE). The aim of this retrospective diagnostic study was to validate preoperative 3-Tesla MRI results by comparing the MRI findings with the intraoperative aspects during endoscopic-assisted or open surgery.
METHODS: Preoperative MRI studies were assessed by a radiologist not informed about intraoperative findings in request for the exact site of nerve compression. The localizations of compression were then correlated with the intraoperative findings obtained from the operative records. Percent agreement and Cohen's kappa (κ) values were calculated.
RESULTS: From a total of 41 elbows, there was a complete agreement in 27 (65.8%) cases and a partial agreement in another 12 (29.3%) cases. Cohen's kappa showed fair-to-moderate agreement.
CONCLUSION: High-resolution MRI cannot replace thorough intraoperative visualization of the ulnar nerve and its surrounding structures but may provide valuable information in ambiguous cases or relapses.

PMID: 29602661 [PubMed - as supplied by publisher]

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