MRI showed ischemic lesions of the left hemisphere in a patient with a worsening language disturbance that by history could be caused either by ischemia or by a focal degenerative brain disorder. A positron emission tomography study indicated the presence of a degenerative disorder, the most common cause of which is tau-positive pathology.

Original languageEnglish (US)
JournalReviews in neurological diseases
Issue number1
StatePublished - Dec 1 2008


  • Magnetic resonance imaging
  • Positron emission tomography
  • Primary progressive aphasia
  • Tau-positive pathology

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology


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