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Neurosurgery. 67(3):onsE309-E310, September 2010
This patient underwent a microvascular decompression that allowed for the intraoperative diagnosis of a pontine micro-AVM. The petrosal vein was found to be arterialized and the trigeminal root to be embedded in a tangle of abnormal arterialized vessels. ICG videoangiography confirmed the arterialization of the vein and identified the flow direction to be from the brainstem to the superior petrosal sinus.
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