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Dr. Kevin N. Sheth (Neurology): A 58-year-old right-handed woman with type 1 diabetes was admitted to the hospital because of a 2-week history of increasing fatigue and word-finding difficulties and a 2-day history of right-arm weakness.
She had been in her usual state of health until 3 years before admission, when an episode of word-finding difficulty occurred, associated with headache and mild right-sided facial weakness. She was admitted to a local hospital, where computed tomography (CT) of the head revealed no abnormalities. Magnetic resonance imaging (MRI) revealed a punctate subcortical lesion in the left parietal white matter; magnetic resonance angiography
Differential Diagnosis
Demyelinating Diseases
Multiple Sclerosis
Other Causes of Demyelination
Infections
Lyme Disease
Human Immunodeficiency Virus
Neoplasms
Mitochondrial Encephalomyopathy, Lactic Acidosis, and Strokelike Episodes
Migraine
Cerebral Vasculopathies
Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy
Cerebral Vasculitis
Binswanger's Disease
Lacunar Infarcts
Summary
Dr. David M. Greer's Diagnosis
Pathological Discussion
Anatomical Diagnosis
Source Information
From the Department of Neurology (D.M.G.), the Diabetes Center (E.C.), the Palliative Care Service (E.L.K.), the Division of Neuroradiology (R.G.G.), and the Division of Neuropathology (E.T.H.-W.), Massachusetts General Hospital; and the Departments of Neurology (D.M.G.), Medicine (E.C., E.L.K.), Radiology (R.G.G.), and Pathology (E.T.H.-W.), Harvard Medical School.
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