Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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A 71-year-old woman was admitted with a 3-month history of abdominal pain and confusion. Neurologic examination showed mental confusion and diminished tendon reflexes. Blood test showed a severe normocytic anemia. CSF showed albuminocytologic dissociation. EMG demonstrated prolonged distal motor latencies, predominating in the legs. After therapy for 1 month, the patient improved.