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Clinical features and electrodiagnosis of ulnar neuropathies

In this review, we delineate clinical, electrodiagnostic, and radiographic
features of ulnar mononeuropathies. Ulnar neuropathy at the elbow (UNE) is most
commonly due to lesions at the level of the retroepicondylar groove (RTC), with
approximately 25% at the humeroulnar arcade (HUA). The term 'cubital tunnel
syndrome' should be reserved for the latter. The diagnostic accuracy of nerve
conduction studies is limited by biological (e.g. low elbow temperature) and
technical factors. Across-elbow distance measurements greater than 10 cm improve
diagnostic specificity at the expense of decreased sensitivity. Short-segment
incremental studies can differentiate lesions at the HUA from those at the RTC.
CI - Published by Elsevier Inc.

Langue : ANGLAIS

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