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Diagnostic Utility of Ultrasound in Posterior Interosseous Nerve Syndrome
Vijayan Joy, MD, DM;
Aravindakannan Therimadasamy, BSc;
Chan Yee Cheun, MRCP, FAMS(Neurology);
Einar Wilder-Smith, MD, DTM&H, FAMS(Neurology)
Arch Neurol. 2009;66(7):902-903.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
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A 34-year-old man presented with 1 year's duration of right-sided finger extension weakness, with mild sensory symptoms over the dorsum of the hand on exercising the right hand. There was a history of pain over the lateral aspect of the right elbow on playing tennis. On clinical examination, there was weakness of the finger extensors, with mild involvement of the wrist extensors. Muscle power testing of the brachioradialis and triceps were within normal limits. There were no associated sensory deficits, and tendon reflexes were normal. The possibility of right posterior interosseous nerve palsy was considered.
Electrodiagnostic studies revealed prolonged distal latency and reduced compound muscle action potential of the right extensor indices propius and normal right sensory nerve action potentials from the superficial radial nerve. Electromyography revealed both active and chronic denervation from . . . [Full Text of this Article] COMMENT
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