Medullary venous hypertension secondary to a petrous apex dural arteriovenous fistula

A case report

Meghan Murphy, Jamie Van Gompel

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Background: Dural arteriovenous fistulae (dAVF) are common intracranial vascular lesions typically becoming symptomatic with cortical venous hypertension and possible hemorrhage. Here, we present a case illustration of a petrous apex dAVF with marked medullary venous hypertension and a unique clinical presentation. Methods: Case report. Results: A 72-year-old female, whose clinical progression was significant for altered mental status and progressive weakness, presented with diplopia, right leg paresis, and ataxia. Magnetic resonance imaging revealed edema involving the medulla. On digital subtraction cerebral angiogram, the patient was found to have a petrous apex dAVF, Cognard type IV. Following treatment with Onyx embolization, her symptoms rapidly improved, with complete resolution of diplopia and drastic improvement of her ataxia. Conclusion: The importance of this case is in the presentation and deterioration of the clinical exam, resembling an acute ischemic event. Further, this case illustrates that dAVF may cause venous hypertension with rapid onset of focal neurologic symptoms not exclusive to cortical locations.

Original languageEnglish (US)
Pages (from-to)187-193
Number of pages7
JournalCase Reports in Neurology
Volume4
Issue number3
DOIs
StatePublished - Sep 2012

Fingerprint

Central Nervous System Vascular Malformations
Hypertension
Diplopia
Ataxia
Paresis
Neurologic Manifestations
Blood Vessels
Edema
Leg
Angiography
Magnetic Resonance Imaging
Hemorrhage

Keywords

  • Dural arteriovenous fistula
  • Onyx embolization
  • Petrous apex
  • Venous hypertension

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Medullary venous hypertension secondary to a petrous apex dural arteriovenous fistula : A case report. / Murphy, Meghan; Van Gompel, Jamie.

In: Case Reports in Neurology, Vol. 4, No. 3, 09.2012, p. 187-193.

Research output: Contribution to journalArticle

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