title: Cranial dural arteriovenous fistula as a rare cause of tinnitus - case report.
abstract: BACKGROUND
  Tinnitus, occurring at least once in a lifetime in about 10-20% of the population, is an important clinical problem with complex etiology. Rare causes of tinnitus include cranial dural arteriovenous fistulas (DAVFs), which are usually small lesions consisting of abnormal connections between branches of dural arteries and venous sinuses or veins.
  
  
  METHODS
  Authors present a case of a 44-year-old woman with persistent, unilateral, treatment-resistant pulsatile tinnitus caused by a small dural arteriovenous fistula revealed in computed tomography angiography.
  
  
  CONCLUSIONS
  Computed tomography angiography is a useful diagnostic method that in some cases allows for establishing the cause of unilateral, pulsatile tinnitus.
authors: Department of Medical Radiology and Imaging Diagnostics, 4 Military Clinical Hospital, Wrocław, Poland.
authors: Małgorzata
authors: M
authors: Kuśmierska
authors: Department of Medical Radiology and Imaging Diagnostics, 4 Military Clinical Hospital, Wrocław, Poland.
authors: Paweł
authors: P
authors: Gać
authors: Department of Internal Diseases, 4 Military Clinical Hospital, Wrocław, Poland.
authors: Artur
authors: A
authors: Nahorecki
authors: Department of Internal Diseases, 4 Military Clinical Hospital, Wrocław, Poland ; Medical University, Wrocław, Poland.
authors: Andrzej
authors: A
authors: Szuba
authors: Department of Medical Radiology and Imaging Diagnostics, 4 Military Clinical Hospital, Wrocław, Poland.
authors: Przemysław
authors: P
authors: JaŸwiec
keywords: VRT reconstructions; computed tomography angiography (CTA); cranial dural arterio-venous fistula (DAVF); pulsatile tinnitus; sigmoid sinus