Abstract
Ultrasonography is first line, cost-effective modality in imaging of peripheral nerves. High frequency probes allow high resolution imaging of peripheral nerves located at relatively superficial location. USG can diagnose and localize various pathologies that involve the peripheral nerves such as traumatic, inflammatory, infective, neoplastic, and traumatic neuropathies. USG exceptionally has an important role to play in evaluation of patients with suspected nerve injury, as MRI may not differentiate neural contusion from nerve disruption. Neurapraxic injury is seen as swollen nerve with hypoechoic appearance.
Highlights
Peripheral nerves are affected by a number of disease processes like trauma, infection, inflammation, benign and malignant tumours, as well as entrapment neuropathies
USG exceptionally has an important role to play in evaluation of patients with suspected nerve injury, as MRI may not differentiate neural contusion from nerve disruption
Neurapraxic injury is seen as swollen nerve with hypoechoic appearance
Summary
Peripheral nerves are affected by a number of disease processes like trauma, infection, inflammation, benign and malignant tumours, as well as entrapment neuropathies. Neurosonography provides a reliable diagnosis and localization in entrapment neuropathies, traumatic peripheral nerve injuries and tumours of the peripheral nerves [1] [2] [3], so it has become a useful supplementary tool for electrodiagnostic studies in these conditions. High resolution USG exceptionally has an important role to play in evaluation of patients with suspected nerve injury, as MRI may not differentiate neural contusion from nerve disruption. USG with its high resolution is cost-effective as in our country majority of population unable to afford costly diagnostic tests such as MRI [4] [5]
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