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Persistent Primitive Trigeminal Artery

The Persistent Primitive Trigeminal Artery

최신의학 1970년 13권 11호 p.109 ~ 112
한대희, 최성혜, 최길수, 이광우,
소속 상세정보
한대희 (  ) - 서울대학교 의과대학 신경외과학교실
최성혜 (  ) - 서울대학교 의과대학 신경외과학교실
최길수 (  ) - 서울대학교 의과대학 신경외과학교실
이광우 (  ) - 서울대학교 의과대학 신경외과학교실

Abstract


The primitive trigeminal artery coming off from the internal carotid artery in the 4 mm embryo feeds both longitudinal neural arteries and forms the basilar artery in a later stage. In the 14 mm embryo, the anastomosis is usually occluded.
The persistence of this artery into adult life was first described by Quain in 1844, and was first demonstrated angiographically in 1950 by Sutton. This anomaly is found to occur in 0.5-2 per cent of anatomical studies and 0.1-0.5 per cent of carotid angiograms.
In this report two cases of angiographically confirmed persistent primitive trigeminal artery are described. One was found incidentally during direct percutaneous common carotid injection on the right side in a 56 years old Korean female who had a head injury. The another one was found in a ninteen years old Korean man who had complained of headache and frequent attacks of loss of consciousness or cerebellar fit without loss of consciousness. During right sided common carotid artery injection an attack of decerebrate rigidity was developed without loss of consciousness. However his electroencephalogram was normal in waking and sleeping state. Some hemodynamic changes in his cerebral circulation seemed to be related to his unusual fits and frequent loss of consciousness.
In addition, we have reviewed about this primitive trigeminal artery in literatures.

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