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Related Experiment Videos

False localising signs.

A J Larner1

  • 1Walton Centre for Neorology and Neurosurgery, Lower Lane, Fazkerley, Liverpool L9 7IJ, UK. a.larner@thewaltoncentre.njs.uk

Journal of Neurology, Neurosurgery, and Psychiatry
|March 18, 2003
PubMed
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Neurological examination can be misleading due to "false localising" signs, which appear distant from the actual pathology. Recognizing these signs, often linked to increased intracranial pressure or spinal lesions, is crucial for accurate diagnosis.

Area of Science:

  • Neurology
  • Clinical Neuroscience

Background:

  • Traditional neurological examination relies on clinicoanatomical correlation.
  • Neurological signs may appear distant from the site of pathology, termed "false localising" signs.
  • These signs challenge established diagnostic paradigms.

Purpose of the Study:

  • To explore the concept and contexts of false localising neurological signs.
  • To highlight the implications for diagnostic investigations in neurology.

Main Methods:

  • Review of neurological examination principles.
  • Analysis of clinical scenarios involving false localising signs.
  • Discussion of associated pathologies.

Main Results:

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  • False localising signs arise from conditions like raised intracranial pressure and spinal cord lesions.
  • Examples include cranial nerve palsies (e.g., sixth nerve palsy), hemiparesis, sensory deficits, and muscle atrophy.
  • These signs can misdirect localization of neurological disease.

    • Conclusions:

    • Awareness of false localising signs is essential for accurate neurological diagnosis.
    • Understanding these phenomena improves diagnostic investigation and patient management.
    • Challenges to traditional clinicoanatomical correlation necessitate a broader diagnostic approach.