8A21.0 Posterior cortical atrophy

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Benson's syndrome or Posterior Cortical Atrophy (PCA) refers to a clinical syndrome in which higher order visual processing is disrupted owing to a neurodegenerative disorder. The patients present with progressive and severe visual agnosia (inability to recognize and identify familiar objects or persons) and apraxia (loss in the ability to execute or perform skilled familiar movements).

synonyms

• Posterior cortical atrophy
• Benson syndrome
• Primary progressive apraxia
• Primary progressive visual-spatial impairment

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