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Imaging in pulsatile tinnitus.

G Madani1, S E J Connor

  • 1Radiology Department, St Mary's Hospital, London, UK. gittamadani@yahoo.com

Clinical Radiology
|February 3, 2009
PubMed
Summary
This summary is machine-generated.

Pulsatile tinnitus often stems from vascular lesions. Imaging, particularly CT angiography and venography, helps identify these causes in patients with normal otoscopy.

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Area of Science:

  • Otolaryngology
  • Radiology
  • Vascular Medicine

Background:

  • Pulsatile tinnitus can originate from various vascular abnormalities.
  • Identifying the cause is crucial for effective management.
  • Radiological assessment is key in diagnosing the underlying pathology.

Purpose of the Study:

  • To outline the diagnostic imaging approaches for pulsatile tinnitus.
  • To highlight the role of vascular lesions as a common cause.
  • To guide the selection of appropriate imaging modalities based on clinical presentation.

Main Methods:

  • Review of imaging techniques for pulsatile tinnitus.
  • Correlation of clinical findings (otoscopy) with imaging choices.
  • Emphasis on computed tomography (CT) and its applications (angiography, venography).

Main Results:

  • Vascular lesions are the most common radiologically evident cause of pulsatile tinnitus.
  • Congenital anomalies, tumors, and acquired vasculopathies are key examples.
  • Thin-section CT is indicated for suspected masses on otoscopy.
  • Combined CT angiography and venography are valuable for otoscopically normal patients.

Conclusions:

  • The diagnostic pathway for pulsatile tinnitus is guided by clinical examination.
  • Vascular causes are prevalent and require specific imaging.
  • Advanced CT techniques offer comprehensive evaluation for pulsatile tinnitus.