A 65-year-old woman was admitted with depression, recurrent falls, and difficulty caring for herself. She reported weakness on the left side and had a monoplegic gait, but results of strength testing were normal. She was treated for functional neurologic disorder but then had progressive neurologic decline. A diagnostic test was performed.
Funding and Disclosures
This case was presented at Neuroscience Grand Rounds.
Disclosure forms provided by the authors are available with the full text of this article at NEJM.org.
We thank Dr. Matthew P. Frosch for his assistance with the pathological discussion.
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