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Paresthesias: a practical diagnostic approach

J T McKnight1, B B Adcock

  • 1University of Alabama School of Medicine, Tuscaloosa, USA.

American Family Physician
|December 24, 1997
PubMed
Summary
This summary is machine-generated.

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Paresthesias, or abnormal sensations like tingling, stem from central or peripheral nervous system issues. Diagnosis involves clinical findings and may need further lab or imaging studies.

Area of Science:

  • Neurology
  • Neuroscience
  • Medical Diagnostics

Background:

  • Paresthesias are sensory disturbances originating from the central or peripheral nervous system.
  • Understanding the origin is crucial for effective diagnosis and management.

Purpose of the Study:

  • To outline the diverse etiologies of paresthesias.
  • To provide a diagnostic framework for clinicians.

Main Methods:

  • Review of common causes of central nervous system (CNS) paresthesias.
  • Review of common causes of peripheral nervous system (PNS) paresthesias.
  • Discussion of diagnostic approaches including laboratory and radiologic studies.

Main Results:

  • Central nervous system causes include ischemia, structural/compressive lesions, infections, inflammation, and degenerative conditions.

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  • Peripheral nervous system causes encompass entrapment syndromes, metabolic issues, trauma, inflammation, connective tissue diseases, toxins, hereditary conditions, malignancies, and nutritional deficiencies.
  • Clinical presentation and neurological findings are key to diagnosis.

    • Conclusions:

    • Paresthesias have a broad differential diagnosis affecting both CNS and PNS.
    • A systematic approach combining clinical evaluation with targeted investigations aids in identifying the underlying cause.