Degree of Agreement between Electrodiagnostic Testing and Magnetic Resonance Imaging in the Evaluation of Brachial Plexopathy

Seok Kang, Joon Shik Yoon, Suk-Joo Hong, Seung Nam Yang

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Objective Electrodiagnostic study (EDX) and magnetic resonance imaging (MRI) are commonly used in the diagnosis of brachial plexopathy, but the agreement between these 2 studies is unknown. The aim of this study was to evaluate the agreement of EDX and MRI in patients with brachial plexopathy. Design The records of 69 patients with symptoms of brachial plexopathy who underwent EDX and MRI were reviewed. Based on the degree of agreement of EDX and MRI results, patients were classified as a "complete match," "partial match," or "mismatch." Results Both studies yielded similar results for the majority of patients (63.2%). Among the enrolled patients, 26.4% were classified as a "complete match," 36.8% as "partial match," and 36.8% as "mismatch." However, only 1 test, either EDX or MRI, revealed abnormal findings in 21.1% of patients. Conclusions The agreement between EDX and MRI was high in patients with brachial plexopathy. However, only one of these tests, not both, revealed abnormal findings in several cases. Although both EDX and MRI were in accord with the diagnosis of brachial plexopathy in majority of cases, these 2 studies remain complementary diagnostic modalities for evaluating brachial plexopathies.

    Original languageEnglish
    Pages (from-to)545-548
    Number of pages4
    JournalAmerican Journal of Physical Medicine and Rehabilitation
    Volume98
    Issue number7
    DOIs
    Publication statusPublished - 2019 Jul 1

    Keywords

    • Brachial Plexus Neuropathies
    • Electrodiagnosis
    • Magnetic Resonance Imaging

    ASJC Scopus subject areas

    • Physical Therapy, Sports Therapy and Rehabilitation
    • Rehabilitation

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