2009
DOI: 10.1590/s0004-282x2009000500019
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Abstract: -The trigeminal artery (TA) is the most common embryonic carotid-vertebrobasilar anastomosis to persist into adulthood. It typically extends from the internal carotid artery to the basilar artery. Persistent primitive arteries are usually found incidentally, but are often associated with vascular malformation, cerebral aneurysm and, in case of TA, with trigeminal neuralgia. We present one patient with TA as a cause of trigeminal neuralgia and in other three as an incidental finding, on TC and MR angiograms.Key… Show more

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Cited by 9 publications
(9 citation statements)
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“…The PTA can then be easily identified by MR angiography. Thus, angiography MRI or three-dimensional angiography-CT, which is less invasive than traditional angiography, should be performed preoperatively to avoid complications during surgery in suspected cases (11,(16)(17)(18).…”
Section: Discussionmentioning
confidence: 99%
“…The PTA can then be easily identified by MR angiography. Thus, angiography MRI or three-dimensional angiography-CT, which is less invasive than traditional angiography, should be performed preoperatively to avoid complications during surgery in suspected cases (11,(16)(17)(18).…”
Section: Discussionmentioning
confidence: 99%
“…It is well known that persistence of the fetal circulation results in a higher rate of aneurysm formation 13 19 20. This is felt to be the result of increased flow dynamics and stress at weak points in the vessel wall 20.…”
Section: Discussionmentioning
confidence: 99%
“…[1] Its termination may be in one of 3 ways -anastamosing with the basilar artery below the superior cerebellar artery and supplying both posterior cerebral and superior cerebellar arteries (Saltzman Type 1), anastamosing with the basilar artery below the superior cerebellar artery but supplying only both superior cerebellar arteries and one or both posterior cerebral arteries being supplied by the posterior communicating arteries (Saltzman Type 2) or it may end in one of the cerebellar arteries (Saltzman Type 3). [1][2][3][4] Our case was one of Saltzman Type 1. The "Tau (τ)" sign is a classic angiographic sign of a persistent trigeminal artery.…”
mentioning
confidence: 80%
“…Usually diagnosed incidentally, [1,2] it may rarely cause cranial neuropathies (like trigeminal neuralgia) [3] and this anomaly must be kept in mind during any surgeries involving this area to prevent iatrogenic injury. [3,4] …”
mentioning
confidence: 99%