Basilar artery herniation into the sphenoid sinus secondary to

World Neurosurg · Feb 2017

Review Case Reports

Basilar artery herniation into the sphenoid sinus secondary to traumatic skull base fractures: case report and review of the literature.

Traumatic clival fractures occur with less than 0.6% frequency and can be associated with significant neurovascular injuries. The most serious of these injuries is to the basilar artery in which the artery is dissected or is fully occluded, resulting in infarction of the brainstem and cerebellum. Among early reports of these injuries, postmortem autopsy showed entrapment, or incarceration, of the basilar artery at the clival fracture site. A literature search revealed 11 cases of entrapment of the basilar artery within a clival fracture. ⋯ Basilar artery incarceration and herniation through the sphenoid sinus is rare. Such an injury portends a poor prognosis. We discuss the relevant clinical imaging and review the literature.

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- Arthur Wang, John Wainwright, Jared Cooper, Michael S Tenner, and Adesh Tandon.
- Department of Neurological Surgery, New York Medical College, Westchester, New York, USA. Electronic address: wanga@wcmc.com.
- World Neurosurg. 2017 Feb 1; 98: 878.e7-878.e10.
BackgroundTraumatic clival fractures occur with less than 0.6% frequency and can be associated with significant neurovascular injuries. The most serious of these injuries is to the basilar artery in which the artery is dissected or is fully occluded, resulting in infarction of the brainstem and cerebellum. Among early reports of these injuries, postmortem autopsy showed entrapment, or incarceration, of the basilar artery at the clival fracture site. A literature search revealed 11 cases of entrapment of the basilar artery within a clival fracture.Case DescriptionThis report describes a 59-year-old man after a motor vehicle crash with computed tomography showing a basilar artery herniation through a sphenoid sinus fracture. The patient subsequently developed brainstem and cerebellar infarcts.ConclusionsBasilar artery incarceration and herniation through the sphenoid sinus is rare. Such an injury portends a poor prognosis. We discuss the relevant clinical imaging and review the literature.Published by Elsevier Inc.

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Basilar artery herniation into the sphenoid sinus secondary to traumatic skull base fractures: case report and review of the literature.

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