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Imaging of dizziness.

S E J Connor1, N Sriskandan2

  • 1Department of Neuroradiology, King's College Hospital NHS Foundation Trust, London, UK; Department of Radiology, Guy's and St Thomas' NHS Foundation Trust, London, UK.

Clinical Radiology
|December 10, 2013
PubMed
Summary
This summary is machine-generated.

Dizziness often leads to neuroimaging, but most cases can be managed clinically. Distinguishing central from peripheral causes of dizziness is key, especially in emergency settings.

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Area of Science:

  • Neurology
  • Radiology

Background:

  • Dizziness is a common reason for neuroimaging in outpatient and emergency departments.
  • The diagnostic yield of neuroimaging for dizziness varies significantly.
  • Most persistent, recurrent, or isolated dizziness cases are manageable with clinical assessment.

Purpose of the Study:

  • To review the anatomy, differential diagnoses, and imaging features of central and peripheral causes of dizziness.
  • To evaluate the diagnostic yield of neuroimaging for dizziness in acute and outpatient settings.

Main Methods:

  • Review of relevant neuroanatomy and pathophysiology of dizziness.
  • Analysis of differential diagnoses for central and peripheral dizziness.
  • Examination of key imaging features differentiating central and peripheral causes.
  • Literature review on the diagnostic yield of neuroimaging in acute and outpatient dizziness.

Main Results:

  • Clinical management is often sufficient for most dizziness presentations.
  • Distinguishing benign peripheral from serious central causes can be challenging, particularly in emergency evaluations.
  • Neuroimaging's diagnostic utility varies based on clinical context and etiology.

Conclusions:

  • While neuroimaging has a role, a significant proportion of dizziness cases do not require it.
  • Understanding the nuances between central and peripheral dizziness is crucial for appropriate diagnostic workup.
  • Further research may refine imaging guidelines for dizziness evaluation.