Posterior cortical atrophy

What is Posterior cortical atrophy?

Posterior Cortical Atrophy (PCA) is a rare progressive neurodegenerative disorder with a typical onset between 50-65 years of age characterized by progressive impairment of higher visual processing skills and other posterior cortical functions without any evidence of ocular abnormalities.

Other condition names

  • Benson syndrome
  • Biparietal Alzheimer disease
  • PCA

Inheritance type



  • Worldwide: Unknown

Age of Onset

  • Adult
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