Persistent hypoglossal artery
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Persistent Hypoglossal Artery. Persistent primitive hypoglossal artery is a rare anastomosis between the carotid and basilar arteries and sometimes associated with cerebral aneurysms. 1 a persistent primitive hypoglossal artery should leave the ICA as an extracranial branch. It is reported that the prevalence ranges from 0027 to 01 by catheter angiography 2 and 029 by computed tomography CT angiography. COMMENT The clinical significance of this anomaly is as yet.
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The persistent primitive hypoglossal artery PPHA exists between the internal carotid artery ICA and basilar artery and is the second most frequently identified with an estimated incidence of 002 to 026. The acoustic artery undergoes involution first and it has not been observed to persist in man unless one accepts a case reported as a postmortem finding by Altmann 10 in 1947. Diagnostic and therapeutic considerations concerning carotid thromboendarterectomy. The persistent primitive hypoglossal artery is a type of persistent carotid-basilar anastomosis. This anomalous vessel courses through the hypoglossal canal and parallels a part of the course of the hypoglossal nerve to join the cervical ICA along with the basilar artery 3. A persistent hypoglossal artery PHA supplied the distal right vertebral artery ipsilateral to the aneurysm.
Diagnostic and therapeutic considerations concerning carotid thromboendarterectomy.
Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. The contralateral vertebral artery to the aneurysm was hypoplastic. Large arteriovenous malformation associated with persistent primitive hypoglossal artery-case report. These criteria were subsequently revised by Brismar 10 on the basis of the case report of a persistent hypoglossal artery in which a well-developed posterior communicating artery was present to include only the following two criteria. The acoustic artery undergoes involution first and it has not been observed to persist in man unless one accepts a case reported as a. The persistent primitive hypoglossal artery is a type of persistent carotid-basilar anastomosis.
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Its reported angiographic frequency ranges from 0027 to 01 15. Persistent hypoglossal artery PHA is the second most common anastomosis between the carotid and vertebrobasilar systems and demonstrates some variations. This may be better achieved by CT andor MRI than by conventional angiography. Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. The vessel entered the skull base through the hypoglossal canal Fig.
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We also evaluated characteristic features of PHA and its variants on magnetic resonance MR angiography. Persistent primitive hypoglossal artery PPHA is a rare internal carotid-vertebrobasilar anatomic variant. Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. A persistent hypoglossal artery PHA supplied the distal right vertebral artery ipsilateral to the aneurysm. A persistent primitive hypoglossal artery PHA is a rare congenital caroticobasilar anastomosis with a reported prevalence of 0027-026.
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We also evaluated characteristic features of PHA and its variants on magnetic resonance MR angiography. 1 a persistent primitive hypoglossal artery should leave the ICA as an extracranial branch. It is reported that the prevalence ranges from 0027 to 01 by catheter angiography 2 and 029 by computed tomography CT angiography. The vessel entered the skull base through the hypoglossal canal Fig. Persistent hypoglossal artery PHA is the second most common anastomosis between the internal carotid artery ICA and vertebrobasilar arteries.
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Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. Persistent hypoglossal artery PHA is the second most common anastomosis between the carotid and vertebrobasilar systems and demonstrates some variations. Its reported angiographic frequency ranges from 0027 to 01 15. Intracranial aneurysms occur with a frequency of approximately 26 in the setting of PHAs. The acoustic artery undergoes involution first and it has not been observed to persist in man unless one accepts a case reported as a postmortem finding by Altmann 10 in 1947.
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COMMENT The clinical significance of this anomaly is as yet. This may be better achieved by CT andor MRI than by conventional angiography. It is reported that the prevalence ranges from 0027 to 01 by catheter angiography 2 and 029 by computed tomography CT angiography. The PHA was the dominant supply to the vertebrobasilar system. Persistent hypoglossal artery PHA is the second most common anastomosis between the carotid and vertebrobasilar systems and demonstrates some variations.
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This anomalous vessel courses through the hypoglossal canal and parallels a part of the course of the hypoglossal nerve to join the cervical ICA along with the basilar artery 3. Fantini GA Reilly LM Stoney RJ. Intracranial aneurysms occur with a frequency of approximately 26 in the setting of PHAs. COMMENT The clinical significance of this anomaly is as yet. Shibata Y Hyodo A Saito A Yoshii Y Nose T.
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The vessel entered the skull base through the hypoglossal canal Fig. It is second in frequency to the trigeminal artery which is present approximately six times as often. Diagnostic and therapeutic considerations concerning carotid thromboendarterectomy. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies but basilar bifurcation aneurysms were rarely reported. 1 Because of its rarity data regarding best management for carotid stenosis with ipsilateral PPHA are sparse.
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COMMENT The clinical significance of this anomaly is as yet. Its reported angiographic frequency ranges from 0027 to 01 15. The PHA was the dominant supply to the vertebrobasilar system. Awareness of this anomaly and its propensity for atherosclerotic disease is important to avoid misinterpretation of diagnostic studies and to allow appropriate interventional planning. 2 it should pass through the anterior condyloid foramen before.
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It is second in frequency to the trigeminal artery which is present approximately six times as often. As the predominant vascular supply to the anterior and posterior cerebral circulation its luminal. Large arteriovenous malformation associated with persistent primitive hypoglossal artery-case report. This anomalous vessel courses through the hypoglossal canal and parallels a part of the course of the hypoglossal nerve to join the cervical ICA along with the basilar artery 3. A persistent hypoglossal artery PHA supplied the distal right vertebral artery ipsilateral to the aneurysm.
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Diagnostic and therapeutic considerations concerning carotid thromboendarterectomy. Persistent primitive hypoglossal artery is a rare anastomosis between the carotid and basilar arteries and sometimes associated with cerebral aneurysms. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies but basilar bifurcation aneurysms were rarely reported. The PHA was the dominant supply to the vertebrobasilar system. Ence ofthe embryological hypoglossal arteryper se but is the result of the persistence of one of the anastomotic channels running from the carotid portion of the hypoglossal artery to the lateral basilovertebral anastomosis of Padget and in turn communicating with the basilar artery Fig.
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Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. It is reported that the prevalence ranges from 0027 to 01 by catheter angiography 2 and 029 by computed tomography CT angiography. It is second in frequency to the trigeminal artery which is present approximately six times as often. The key finding to distinguish the persistent hypoglossal artery from the pro-atlantal artery that has nearly the same orientation is the identification of the foramen through which the artery passes. Persistent hypoglossal artery PHA is the second most common anastomosis between the internal carotid artery ICA and the vertebrobasilar arteries.
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The PHA was the dominant supply to the vertebrobasilar system. Among the four persistent primitive anastomoses between the carotid and basilar system the hypoglossal artery is the one most likely to cause clinical symptoms. Its reported angiographic frequency ranges from 0027 to 01 15. A persistent hypoglossal artery PHA supplied the distal right vertebral artery ipsilateral to the aneurysm. It is reported that the prevalence ranges from 0027 to 01 by catheter angiography 2 and 029 by computed tomography CT angiography.
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These criteria were subsequently revised by Brismar 10 on the basis of the case report of a persistent hypoglossal artery in which a well-developed posterior communicating artery was present to include only the following two criteria. These criteria were subsequently revised by Brismar 10 on the basis of the case report of a persistent hypoglossal artery in which a well-developed posterior communicating artery was present to include only the following two criteria. Padget 89 demonstrated that in early embryonic development there are three vessels joining the carotid and basilar arterial systems namely the primitive trigeminal acoustic and hypoglossal arteries. However association of persistent primitive hypoglossal artery with aneurysms located on arteries other than persistent primi-tive hypoglossal artery itself or posterior circulation is very rare. A persistent hypoglossal artery is one of the persistent carotid-vertebrobasilar anastomoses.
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This may be better achieved by CT andor MRI than by conventional angiography. Persistent primitive hypoglossal artery PPHA is a rare internal carotid-vertebrobasilar anatomic variant. However association of persistent primitive hypoglossal artery with aneurysms located on arteries other than persistent primi-tive hypoglossal artery itself or posterior circulation is very rare. The acoustic artery undergoes involution first and it has not been observed to persist in man unless one accepts a case reported as a postmortem finding by Altmann 10 in 1947. The PHA was the dominant supply to the vertebrobasilar system.
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It is second in frequency to the trigeminal artery which is present approximately six times as often. Persistent hypoglossal artery PHA is the second most common anastomosis between the carotid and vertebrobasilar systems and demonstrates some variations. The vessel entered the skull base through the hypoglossal canal Fig. The persistent primitive hypoglossal artery is a type of persistent carotid-basilar anastomosis. 1 Because of its rarity data regarding best management for carotid stenosis with ipsilateral PPHA are sparse.
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Fantini GA Reilly LM Stoney RJ. 2 it should pass through the anterior condyloid foramen before. Awareness of this anomaly and its propensity for atherosclerotic disease is important to avoid misinterpretation of diagnostic studies and to allow appropriate interventional planning. The persistent primitive hypoglossal artery PPHA is the second most common persistent carotidvertebrobasilar anastomosis with an incidence of 0027026. The persistent hypoglossal artery is a rare perseverance of an embryonic vessel connecting the anterior and posterior circulations and is generally considered to be an incidental finding.
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The persistent primitive hypoglossal artery is a type of persistent carotid-basilar anastomosis. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies but basilar bifurcation aneurysms were rarely reported. COMMENT The clinical significance of this anomaly is as yet. The PHA was the dominant supply to the vertebrobasilar system. We evaluated the prevalence of PHA on computed tomography CT angiography.
Source: pinterest.com
It is second in frequency to the trigeminal artery which is present approximately six times as often. This anomalous vessel courses through the hypoglossal canal and parallels a part of the course of the hypoglossal nerve to join the cervical ICA along with the basilar artery 3. Fantini GA Reilly LM Stoney RJ. 1 Because of its rarity data regarding best management for carotid stenosis with ipsilateral PPHA are sparse. Persistent hypoglossal artery PHA is the second most common anastomosis between the internal carotid artery ICA and the vertebrobasilar arteries.
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