Persistent Primitive Trigeminal Artery Research Articles

Carotid-Cavernous Sinus Fistula Associated with a Primitive Trigeminal Artery

Abstract Carotid-cavernous sinus fistulas are not rare, but they have never been reported in association with persistent primitive trigeminal artery. We recently encountered such a case. The Jaeger-Hamby procedure was employed, with mandatory occlusion of the primitive trigeminal artery.

Carotid-cavernous sinus fistula associated with a primitive trigeminal artery

Carotid-cavernous sinus fistulas are not rare, but they have never been reported in association with persistent primitive trigeminal artery. We recently encountered such a case. The Jaeger-Hamby procedure was employed, with mandatory occlusion of the primitive trigeminal artery.

Treatment of a Giant Aneurysm of the Cavernous Internal Carotid Artery Associated with a Persistent Primitive Trigeminal Artery: Case Report

Abstract A case of an unruptured giant aneurysm of the cavernous portion of the left internal carotid artery associated with a persistent primitive trigeminal artery (PTA) is presented. The usual surgical approach to giant aneurysms at this site. including ligation of the ipsilateral internal carotid artery (ICA) and an extracranial-intracranial (EC-IC) bypass, was inadequate because of continued blood supply to the aneurysm via the PTA from the vertebrobasilar system. The patient was successfully treated with a combination of EC-IC bypass surgery, ICA ligation, and simultaneous intravascular balloon obliteration of the ICA just distal to the junction of the PTA and immediately proximal to the aneurysmal neck. Follow-up radiological investigations showed thrombosis of the aneurysm.

Treatment of a giant aneurysm of the cavernous internal carotid artery associated with a persistent primitive trigeminal artery

A case of an unruptured giant aneurysm of the cavernous portion of the left internal carotid artery associated with a persistent primitive trigeminal artery (PTA) is presented. The usual surgical approach to giant aneurysms at this site, including ligation of the ipsilateral internal carotid artery (ICA) and an extracranial-intracranial (EC-IC) bypass, was inadequate because of continued blood supply to the aneurysm via the PTA from the vertebrobasilar system. The patient was successfully treated with a combination of EC-IC bypass surgery, ICA ligation, and simultaneous intravascular balloon obliteration of the ICA just distal to the junction of the PTA and immediately proximal to the aneurysmal neck. Follow-up radiological investigations showed thrombosis of the aneurysm.

Arteriovenous Malformation of the Corpus Callosum associated with Persistent Primitive Trigeminal Artery

A 16-year-old girl with a large, ruptured arteriovenous malformation (AVM) of the corpus callosum was studied by computed tomography and angiography. The relatively large nidus of the AVM was located mainly in the anterior portion of the corpus callosum, and there was a smaller nidus in the splenium. She also had a persistent primitive left trigeminal artery (PTA). This is the first reported case of an AVM with extensive callosal involvement associated with a PTA. She underwent radiation therapy and remained asymptomatic for 2 years thereafter.

先天性脳動脈異常を合併した脳血管障害例

Three cases of azygos anterior cerebral artery associated with an aneurysm, a case of persistent primitive trigeminal artery associated with three aneurysms, a case of persistent primitive hypoglossal artery associated with an aneurysm and a case of persistent primitive trigeminal artery associated with moyamoya disease are reported in this paper. We show the high incidence of associated vascular malformations with these abnormal vessels and consider the main etiological factors in the aneurysmal formation to be the hemodynamic change and the developmental defect in these arteries.

Persistent Primitive Trigeminal Artery Associated with an Ipsilateral Giant Aneurysm of the Internal Carotid Artery

Persistent Primitive Trigeminal Artery Associated with an Ipsilateral Giant Aneurysm of the Internal Carotid Artery

Directional C-W Doppler sonography in the diagnosis of basilar artery disease.

Using directional continuous-wave Doppler sonography of the vertebral arteries, we have investigated 1,540 patients during the past 5 years. On the basis of unilateral and bilateral retrograde brachial angiograms in the same patients (a total of 1,989 angiograms) we have developed sonographic criteria for demonstrating a significant increase in the peripheral resistance of both distal vertebral arteries and/or the basilar artery. All 11 cases of basilar artery stenosis of at least 60% reduction in lumen diameter (as shown by angiography) exhibited an approximately 40% or higher reduction in the sum of the modified Pourcelot indices of both vertebral arteries with respect to age-matched controls. All 3 stenoses of less than 60% reduction in lumen diameter were not detected by sonography. Even a good collateral circulation through rete mirabile anastomoses did not normalize the modified Pourcelot indices. One case of a persistent primitive trigeminal artery with thin-calibered vertebral arteries was also detected by sonography. The high percent of patients with one hypoplastic vertebral artery in the group with basilar artery stenoses indicates an increased risk for atherosclerosis of the basilar and/or distal vertebral artery in these patients. All 14 angiographically verified occlusions of the basilar artery were detected by sonographic criteria independent of the occlusion localization. Thus, we believe that directional continuous-wave Doppler sonography is a reliable technique for detecting basilar artery stenoses of at least 60% reduction in lumen diameter and basilar artery occlusions.

脳動脈瘤根治術後, 他部位に動脈瘤の新生, 増大をみた6例の検討

In this paper, the authers report six cases of recurrence of SAH due to the rupture of newly developed or enlarged aneurysms which were not recognized during the previous aneurysmal operations.Development of aneurysms from the dilatation at the origin of the posterior communicating artery was found in two patients, in whom carotid ligation had been performed previously for treatment of contralateral internal carotid aneurysms.In three cases, newly developed aneurysms were revealed at the middle cerebral artery 6-10 years after operation for a contralateral middle cerebral artery aneurysm. In one of these cases the persistent primitive trigeminal artery was revealed by angiography; in the others small bulgings were found at the middle cerebral artery during the first aneurysmal operation.Enlargement of a small unruptured aneurysm originally less than 2mm in diameter at the anterior communicating artery was found in one case, which had not been recognized during a previous operation for a ruptured middle cerebral artery aneurysm.Hypertension was noted in all cases but one. Existance of a per-aneurysmal lesion or changes in the arterial wall due to hypertension, arteriosclerosis, etc., or hemodynamic stress caused by anomalies in the circle of Willis or previous carotid ligation seem to be responsible for the enlargement of existing aneurysms and the development of new ones. Our observations suggest that a preaneurysmal lesion of the cerebral artery may develop into an aneurysm and rupture, and hence control of hypertension or follow-up angiography is recommended for patients with preaneurysmal lesions or small aneurysms.

Persistent Primitive Trigeminal Artery, Cavum Septi Pellucidi, and Associated Cerebral Aneurysm in a Patient with Polycystic Kidney Disease: Case Report

A 51-year-old man with polycystic kidney disease had a persistent primitive trigeminal artery, cavum septi pellucidi, and an unruptured cerebral aneurysm. He had a history of long-standing hypertension, but not of subarachnoid hemorrhage. Computed tomograms revealed cavum septi pellucidi. Because of the polycystic kidney disease, we performed four-vessel cerebral angiography, which revealed a persistent primitive trigeminal artery and a cerebral aneurysm at the bifurcation of the left internal carotid artery. The neck of the aneurysm was clipped successfully without producing any neurological deficit. The clinical significance of the combination of these multiple anomalies and cerebral aneurysms is discussed.

Persistent primitive trigeminal artery, cavum septi pellucidi, and associated cerebral aneurysm in a patient with polycystic kidney disease

Persistent primitive trigeminal artery, cavum septi pellucidi, and associated cerebral aneurysm in a patient with polycystic kidney disease

A Case of Persistent Primitive Trigeminal Artery Associated with Aneurysms

A Case of Persistent Primitive Trigeminal Artery Associated with Aneurysms

Anastomosis of carotid and basilar arteries. Persistent primitive trigeminal artery and hypoglossal artery: report of two cases.

I N THE 3 mm human embryo, the internal carotid artery is seen to anastomose with the basilar artery by the primitive trigeminal, otic, and hypoglossal arteries from above down. 13 These vascular channels are usually obliterated by the time the embryo is 14 mm long. Should any of these primitive channels persist into adult life, the result is referred to as a persistent carotidbasilar anastomosis. We are reporting one case with a persistent primitive trigeminal artery and another with a persistent hypoglossal artery arising from the external carotid artery.

Persistent primitive trigeminal artery (carotid-basilar anastomosis).

Fewer than 30 cases of persistent primitive trigeminal artery have been demonstrated angiographically, and the relative rarity of the anomaly excuses the reporting of but a single case. A 39-year-old white male was admitted to the Johannesburg Hospital five days after a head injury. Following assault with fists and a blunt instrument he had been deeply comatose for several hours, but had recovered fully after this. His state of consciousness subsequently deteriorated slowly over the next four days and the patient was semiconscious on admission, with irritability, neck stiffness and xanthochromia of the cerebro-spinal fluid. No fracture or pineal displacement was discovered on plain skull X-ray films. A left internal carotid arteriogram was performed under local anaesthetic. Very slight rightward deviation of the anterior cerebral artery group was found, which was interpreted as being due to contusion with swelling of the left frontal lobe, or a small frontal lobe haematoma. A large anomalous artery arose ...