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Neurology Resident and Fellow Section 40 year old woman with left arm pain, numbness, and weakness Teaching NeuroImages © 2013 American Academy of Neurology.

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Presentation on theme: "Neurology Resident and Fellow Section 40 year old woman with left arm pain, numbness, and weakness Teaching NeuroImages © 2013 American Academy of Neurology."— Presentation transcript:

1 Neurology Resident and Fellow Section 40 year old woman with left arm pain, numbness, and weakness Teaching NeuroImages © 2013 American Academy of Neurology

2 Vignette A 40 year old woman presented with 2 weeks of left arm pain followed by hand weakness and numbness. NCS/EMG showed an isolated median sensorimotor axonopathy localizing proximal to the pronator teres muscle. MRI of the left arm was performed to exclude rare structural causes of proximal median neuropathy. Corato et al © 2013 American Academy of Neurology

3 Imaging Corato et al © 2013 American Academy of Neurology

4 Median nerve MRI changes over time in neuralgic amyotrophy The history, exam, electrodiagnostic and neuroimaging findings support the diagnosis of a forme fruste of neuralgic amyotrophy (Parsonage-Turner syndrome), affecting the left median nerve. MRI demonstrated median nerve inflammation 2 months after onset. MRI abnormalities resolved on follow-up study, 2 years after onset, and correlated with resolution of clinical symptoms. Corato et al © 2013 American Academy of Neurology


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