Last reviewed: November 2017
Last updated: November  2017

Summary

Differentials

Common

  • Ischemic stroke
  • Intracerebral hemorrhage
  • Alzheimer disease
  • Traumatic head injury

Uncommon

  • Subdural hematoma
  • Subarachnoid hemorrhage
  • Migraine
  • Herpes encephalitis
  • West Nile encephalitis
  • Bacterial infection/abscess
  • Fungal abscess
  • Prion disease
  • Toxoplasmosis
  • Lyme disease
  • Nonfluent/agrammatic-variant primary progressive aphasia (PPA)
  • Semantic-variant PPA
  • Logopenic-variant PPA
  • Aphasia dysarthria motor neuron disease (ALS-frontotemporal degeneration)
  • Primary brain tumor
  • Brain metastases
  • Multiple sclerosis
  • Sarcoidosis
  • Acute disseminated encephalomyelitis
  • Seizure
  • Conversion disorder
  • Wernicke encephalopathy (thiamine deficiency)

Contributors

Authors VIEW ALL

Professor of Neurology

Johns Hopkins University School of Medicine

Baltimore

MD

Disclosures

AEH receives royalties from Psychology Press for a book she edited (Handbook of Adult Language Disorders). Her employer receives grant funding from the National Institutes of Health for projects on which she is the primary investigator, and she has received an honorarium and travel reimbursement from Sun Pharmaceuticals to lecture on Aphasia at a CME conference in India. AEH is also an author of a number of references cited in this monograph.

Peer reviewers VIEW ALL

Associate Clinical Professor of Psychiatry

Yale University School of Medicine

New Haven

CT

Disclosures

RRT declares that he has no competing interests.

Assistant Professor of Neurosciences

Hotchkiss Brain Institute

University of Calgary

Alberta

Canada

Disclosures

CT declares that he has no competing interests.

Senior Clinical Lecturer and Honorary Consultant Neurologist

Institute of Neurology

National Hospital for Neurology and Neurosurgery

University College London

London

UK

Disclosures

AL declares that he has no competing interests.

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