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Pulsatile tinnitus and dural arteriovenous malformation.

¹Dept of Otolaryngology, London Hospital, Whitechapel.

The Journal of Laryngology and Otology

|November 1, 1989

Summary

A rare case of pulsatile tinnitus was diagnosed as a dural arteriovenous malformation. Treatment involved embolisation and surgical removal, highlighting diagnostic and management strategies for this condition.

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Area of Science:

Neurology
Vascular Surgery
Radiology

Background:

Pulsatile tinnitus can have various causes, necessitating thorough diagnostic evaluation.
Dural arteriovenous malformations (dAVMs) are abnormal connections between dura mater arteries and venous sinuses, potentially causing neurological symptoms.

Observation:

A patient presented with unilateral pulsatile tinnitus.
A bruit over the mastoid process was detected on physical examination.
Imaging studies, including CT scan and angiography, confirmed a dural arteriovenous malformation involving the lateral venous sinus.

Findings:

The pulsatile tinnitus was attributed to a dural arteriovenous malformation.
Diagnostic confirmation was achieved through CT scan and angiography.
Successful management included pre-operative embolisation followed by neurosurgical excision.

Implications:

This case underscores the importance of considering dAVMs in the differential diagnosis of pulsatile tinnitus.
Effective management strategies involve a combination of interventional radiology (embolisation) and neurosurgery.
Understanding the diagnostic pathway and treatment options for dAVMs is crucial for patient outcomes.

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