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[Pick and focal brain atrophy]

H Förstl1, B Baldwin

  • 1Psychiatrische Klinik, Zentralinstitut für Seelische Gesundheit, Mannheim.

Fortschritte Der Neurologie-Psychiatrie
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Pick's disease, a term coined decades after Arnold Pick's initial report, lacks a clear definition. Current research highlights varied neuropathology and inconsistent brain-behavior relationships in focal brain atrophy cases.

Area of Science:

  • Neuropathology
  • Neurodegenerative Diseases
  • Clinical Neurology

Context:

  • Arnold Pick described a patient with dementia, aphasia, and left temporal lobe atrophy in 1892.
  • The term "Pick's disease" implies a distinct nosological entity, but its definition remains unclear.
  • Focal brain atrophy can result from various neuropathological causes, with inconsistent clinical-histological correlations.

Purpose:

  • To critically evaluate the concept of "Pick's disease" as a distinct nosological entity.
  • To review the neuropathological findings and clinical manifestations associated with focally accentuated brain atrophy.
  • To assess the reliability of brain-behavior relationships in degenerative brain diseases.

Summary:

  • Neuropathological causes of focal brain atrophy are diverse, including neuronal loss, gliosis, and less commonly, Pick's cells/bodies or Alzheimer's changes.

Related Experiment Videos

  • While some studies suggest associations between atrophy location and clinical deficits, a clear link between symptoms and specific histology is not established.
  • Distinguishing early atypical Alzheimer's disease from other dementias with focal atrophy is challenging.

    • Impact:

    • The current understanding of "Pick's disease" is limited by its poorly defined nature and varied underlying pathology.
    • Further prospective studies are needed to reliably correlate clinical symptoms with anatomical and histological findings in degenerative brain diseases.
    • A descriptive approach to focal brain atrophy is recommended over premature diagnosis of ill-defined conditions.