Role of Ultrasonography in Evaluation of Peripheral Nerve Lesions in Upper Limb

Document Type : Original Article

Authors

1 M.B.B.Ch. Master degree in Radio-diagnosis. Faculty of medicine, Zagazig University

2 Head of Radiology Department, Professor of Radiodiagnoosis, Faculty of Medicine, Benha University

3 Professor of radiology-faculty of medicine-zagazig university

4 Lecturer of Radiodiagnosis Faculty of medicine, Benha university

Abstract

Background: Peripheral nerve injuries in the upper limb can lead to significant challenges, leading to substantial disability for cases globally. Early and accurate diagnosis is essential for effective treatment and better outcomes. High-Resolution Ultrasonography (US) has rapidly gained acceptance as a first-line modality in the evaluation of peripheral nerves. Methods: This cross-sectional study was conducted on 38 cases with peripheral nerve lesions in upper limbs. This study was carried out on cases referred from neurology & rheumatology department to the radiology department in Banha University Hospitals & from private centers. Ultrasound scanning was performed on GE Logiq E9 using wide band linear transducer with active-matrix array technology of bandwidth: 5 – 15 MHz. Results: Majority of the examined muscles exhibited increased echogenicity (86.8%), indicating potential pathological changes. Additionally, 73.68% of cases showed reduced muscle girth. The presence of fibrosis was noted in 65.79% of cases, while vascular involvement was significantly lower at 18.42%. The finding of muscle injury in 42.11% of cases. The ultrasound findings revealed that the majority of nerves assessed showed discontinuity (52.6%), indicating significant injury. The presence of fibrosis changes in 26.3% of the cases from prior injuries. The diagnostic indices demonstrate the exceptional sensitivity and accuracy of ultrasound, indicating that it is a reliable tool for evaluating peripheral nerve lesions.Conclusion: Use of ultrasound offers a promising avenue for enhancing diagnostic accuracy and treatment planning of Peripheral Nerve Lesions in Upper Limb and aids in optimizing the management of peripheral nerve injuries and improving case outcomes.

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