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Pulsatile Tinnitus: Differential Diagnosis and Radiological Work-Up
Sjoert A H Pegge1, Stefan C A Steens1, Henricus P M Kunst2
1Department of Radiology and Nuclear Medicine, Radboud University Medical Center Nijmegen, Geert Grooteplein 10, P/O Box 9101, 6500 HB Nijmegen, The Netherlands.
Current Radiology Reports
|February 17, 2017
Summary
Accurate diagnosis of pulsatile tinnitus relies on appropriate imaging. CT and MRI offer complementary information, with 4D-CTA emerging for vascular assessments.
Area of Science:
- Radiology
- Otolaryngology
- Vascular Imaging
Background:
- Pulsatile tinnitus diagnosis requires understanding its cause for effective treatment and prognosis.
- Diagnostic imaging is essential for identifying the underlying etiology of pulsatile tinnitus.
Purpose of the Study:
- To review the diagnostic value of various imaging modalities for pulsatile tinnitus.
- To discuss the differential diagnosis and imaging findings associated with pulsatile tinnitus.
Main Methods:
- Review of computed tomography (CT) and magnetic resonance imaging (MRI) utility.
- Discussion of optimized scanning protocols based on suspected pathology.
- Introduction of dynamic CT angiography (4D-CTA) for hemodynamic evaluation.
Main Results:
- CT and MRI provide complementary diagnostic information for pulsatile tinnitus.
- Scanning protocols can be tailored to the likelihood of specific pathologies.
- 4D-CTA enables non-invasive hemodynamic assessment, aiding in vascular malformation detection.
Conclusions:
- The choice of imaging modality depends on the differential diagnosis of pulsatile tinnitus.
- CT and MRI findings are crucial for characterizing various underlying diseases.
- Advanced techniques like 4D-CTA enhance the non-invasive evaluation of vascular causes.
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