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bilateral external carotid aneurysms

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https://www.readbyqxmd.com/read/27256171/four-dimensional-computed-tomography-angiography-demonstrating-a-ruptured-basilar-artery-aneurysm-causing-anterior-cerebral-circulation-arrest
#1
Hans G J Kortman, Hieronymus D Boogaarts, Mathias Prokop, Frederick J A Meijer
A 61-year-old woman suffered a pronounced subarachnoid hemorrhage. Conventional computed tomography angiography (CTA) showed no enhancement of the intracranial vasculature, whereas there was normal contrast enhancement of bilateral external carotid artery branches. Subsequent four-dimensional computed tomography angiography (4D-CTA) demonstrated active contrast leakage out of a ruptured basilar tip aneurysm, whereas there was no enhancement of the anterior circulation at any time point, consistent with intracranial anterior circulation arrest...
September 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27091873/congenital-absence-of-internal-carotid-artery-with-intercavernous-anastomosis-case-report-and-systematic-review-of-the-literature
#2
REVIEW
Ibrahim Ilker Oz, Ismail Serifoglu, Omer Yazgan, Zuhal Erdem
The absence of an internal carotid artery is a rare congenital anomaly. In the absence of the internal carotid artery, collateral circulations develop through the circle of Willis, persistent embryonic arteries or transcranial collaterals of the external carotid artery. Six pathways of collateral circulation have been described. Intercavernous anastomosis is between cavernous segments of the bilateral internal carotid arteries and is rarely seen. Patients with an absence of the internal carotid artery can be completely asymptomatic...
August 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/26804189/fungal-internal-carotid-artery-aneurysm-treated-by-trapping-and-high-flow-bypass-a-case-report-and-literature-review
#3
Junya Yamaguchi, Teppei Kawabata, Ayako Motomura, Norikazu Hatano, Yukio Seki
We report a case of unruptured fungal internal carotid artery (ICA) aneurysm and review the pertinent literature. A 79-year-old man presented with decreased visual acuity on the right side, and he was diagnosed with retrobulbar optic neuritis. Medical treatment with steroids resulted in Aspergillus meningoencephalitis spreading to the bottom of bilateral frontal lobes, caused by an intracranial extension of sphenoid sinusitis. Magnetic resonance imaging (MRI) performed 26 days after the start of antifungal therapy showed a denovo right ICA aneurysm projecting anteriorly into the sphenoid sinus...
2016: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/26802292/successful-reconstruction-of-asymptomatic-bilateral-external-carotid-artery-aneurysms
#4
Melissa N Loja, William C Pevec
True aneurysms of the external carotid artery (ECA) are extremely rare with an unknown incidence and natural history. We present the successful operative management of an asymptomatic 65-year-old man found to have bilateral internal carotid artery stenosis and bilateral ECA aneurysms. His bilateral carotid arteries were reconstructed with bifurcated interposition grafts in a staged fashion. The patient recovered without sequelae and continues to be asymptomatic 1 year after reconstruction. We present the operative management of this rare case...
April 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/26442539/fusiform-enlargement-of-the-superficial-temporal-artery-in-the-cases-with-intracranial-aneurysm
#5
Enis Kuruoglu, Cengiz Cokluk, Abdullah Hilmi Marangoz, Kerameddin Aydin
AIM: The superficial temporal artery is one of the main terminal branches of the external carotid artery. This artery ascends through the lateralposterior margin of the zygomatic arch to reach the temporal region of the scalp. The superficial temporal artery divides its frontal and parietal branches around the zygomatic arch. MATERIAL AND METHODS: The raw data of the Three-dimensional Computerized Tomography Angiography (3D-CTA) were transferred to computer and recorded in a software program...
2015: Turkish Neurosurgery
https://www.readbyqxmd.com/read/25981551/posterior-circulation-cerebral-hyperperfusion-syndrome-after-high-flow-external-carotid-artery-to-middle-cerebral-artery-bypass
#6
Eric T Quach, Andres A Gonzalez, Parastou Shilian, Jonathan J Russin
We present the first report, to our knowledge, in which revascularization of the middle cerebral artery (MCA) with a high flow extracranial-intracranial procedure resulted in symptomatic hyperemia of the posterior circulation. Cerebral hyperperfusion syndrome (CHS) is a poorly understood phenomenon that is classically seen in the distribution of a revascularized artery. A 37-year-old woman presented with a 3 month history of cognitive and speech difficulties, persistent headaches, weakness, numbness, and paresthesia which was worse in the right extremities and face...
September 2015: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/25064883/p-001%C3%A2-high-resolution-optical-and-angiographic-ct-imaging-of-flow-diverter-stents-for-assessment-of-vessel-wall-apposition
#7
K van der Marel, M Gounis, R King, A Wakhloo, A Puri
INTRODUCTION: Intracranial placement of flow-diverter (FD) stents provides a safe and effective treatment for aneurysms.(1) However, long-term angiographic follow-up is indicated, since in-stent stenosis and late thrombosis as a consequence of poor vessel wall apposition increase the risks of stroke-related complications.(1,2) In addition to conventional angiography, high-resolution contrast-enhanced cone-beam CT (VasoCT) may provide improved three-dimensional visualization of stent deployment and apposition...
July 2014: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/24982719/reversible-cerebral-vasoconstriction-syndrome-with-involvement-of-external-carotid-artery-branches
#8
S Shaik, S K Chhetri, G Roberts, S Wuppalapati, H C A Emsley
A 44-year-old woman presented with recurrent episodes of thunderclap headache. Neurological examination and computed tomography brain imaging were unremarkable. Cerebrospinal fluid findings were consistent with subarachnoid hemorrhage. Computed tomography angiography of the circle of Willis showed multiple areas of segmental vasoconstriction. This finding was confirmed on cerebral catheter angiography, with segmental vasoconstriction involving bilateral internal carotid, posterior cerebral, and external carotid branches...
July 2014: Neurohospitalist
https://www.readbyqxmd.com/read/24430028/-vertebral-artery-dissection-peculiarities-of-clinical-and-magnetic-resonance-imaging-manifestations
#9
L A Kalashnikova, M V Dreval, L A Dobrynina, M V Krotenkova
The aim of this study was to analyze clinical and neuroimaging manifestations of vertebral artery (VA) dissection. Twenty seven patients (19 men, 8 women, mean age 34.1±6.1) with the VA dissection were enrolled. All the patients underwent MRA, neck MRI (T1 f-s, T2 f-s) and head MRI. Twenty six of 27 patients had follow-up MRA/MRT studies: during the acute period and after 2 months or later. Clinical manifestations of VA dissection included ischemic stroke (IS, 52%), transient ischemic attack (TIA, 4%) and isolated neck pain/headache (44%)...
2013: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/24232035/radiological-diagnosis-and-management-of-epistaxis
#10
REVIEW
Antonín Krajina, Viktor Chrobok
The majority of episodes of spontaneous posterior epistaxis treated with embolisation are idiopathic in nature. The angiographic findings are typically normal. Specific angiographic signs are rare and may include the following: a tumour blush, telangiectasia, aneurysm, and/or extravasation. Selective internal carotid artery (ICA) angiography may show rare causes of epistaxis, such as traumatic or mycotic aneurysms, which require different treatment approaches. Complete bilateral selective external and internal carotid angiograms are essential to evaluation...
February 2014: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/23545151/characteristics-of-intracranial-aneurysms-associated-with-extracranial-carotid-artery-disease-in-south-korea
#11
Young Dae Cho, Keun-Hwa Jung, Jae-Kyu Roh, Hyun-Seung Kang, Moon Hee Han, Jeong Wook Lim
OBJECTIVE: Although it is hypothesized that inflammatory signals and/or hemodynamic stress resulting from carotid disease increase the risk of aneurysm formation and growth, a relationship between intracranial aneurysms and extracranial carotid artery disease (ECAD) has not been explored. Here, we examined the characteristics of intracranial aneurysms associated with ECAD. METHODS: A total of 606 consecutive patients with stenosis of 50% or more of the proximal internal carotid artery (pICA) were enrolled...
September 2013: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/23450035/new-bone-formation-after-ligation-of-the-external-carotid-artery-and-resection-of-a-large-aneurysmal-bone-cyst-of-the-mandible-with-reconstruction-a-case-report
#12
Colin Perumal, Ashraf Mohamed, Avin Singh
The aneurysmal bone cyst (ABC) is a benign cystic and expanding osteolytic lesion consisting of bone-filled spaces of variable size, separated by connective tissue containing trabeculae of bone or osteoid tissue and osteoclast giant cells. Radiographic findings may vary from unicystic or moth-eaten radiolucencies to extensive multilocular lesions with bilateral expansion and destruction of mandibular cortices. Treatment modalities include curettage (with reported recurrences) and resection with immediate reconstruction...
March 2012: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/23313239/vertebral-artery-to-vertebral-artery-bypass-with-interposed-radial-artery-or-occipital-artery-grafts-surgical-technique-and-report-of-three-cases
#13
Hisashi Kubota, Rokuya Tanikawa, Makoto Katsuno, Naoto Izumi, Kosumo Noda, Nakao Ota, Yohei Ishishita, Takanori Miyazaki, Shinichi Okabe, Sumio Endo, Mika Niemelä, Masaaki Hashimoto
BACKGROUND: The treatment of unclippable vertebral artery (VA) aneurysms incorporating the posterior inferior cerebellar artery with parent artery preservation is among one of the most formidable challenges for cerebrovascular microsurgery and endovascular surgery. We propose that intracranial VA reconstruction using an extracranial VA-to-intracranial VA (VA-VA) bypass with a radial artery graft or an occipital artery graft may be an additional technique in the armamentarium to treat these formidable lesions...
January 2014: World Neurosurgery
https://www.readbyqxmd.com/read/21213007/eagle-syndrome-presenting-with-external-carotid-artery-pseudoaneurysm
#14
Anh Dao, Stellios Karnezis, John S Lane, Roy M Fujitani, Farhood Saremi
Eagle syndrome refers to a clinical syndrome caused by the abnormal elongation of the styloid process with calcification/ossification of the stylohyoid ligament. We present the first reported case of Eagle syndrome resulting in an external carotid artery (ECA) pseudoaneurysm. A patient presented to emergency room with an expanding, painful right-neck mass. CT angiography with three-dimensional volume rendering showed a bilobed 4.0-cm right ECA pseudoaneurysm and bilateral ossification of the stylohyoid ligaments with a sharpened edge of the right styloid process at the level of the carotid artery...
June 2011: Emergency Radiology
https://www.readbyqxmd.com/read/20734090/a-10-year-follow-up-of-extracranial-intracranial-bypass-for-the-treatment-of-bilateral-giant-internal-carotid-artery-aneurysms-in-a-patient-with-fibromuscular-dysplasia-case-report
#15
Yan Ma, Meng Li, Hongqi Zhang, Feng Ling
Cervicocephalic fibromuscular dysplasia (FMD) is an idiopathic, non-inflammatory and non-atherosclerotic arteriopathy which usually affects small- and medium-sized cervical arteries distributed at the atlas and axis interspace. Few cervicocephalic FMD patients are associated with multiple intracranial aneurysms which may rupture or develop. So the authors describe a cervicocephalic FMD patient with a history of right oculomotor palsy in 2000. Angiography revealed bilateral internal carotid artery (ICA) aneurysms and a fusiform aneurysm in right vertebral artery...
December 2010: Acta Neurochirurgica
https://www.readbyqxmd.com/read/20587272/endovascular-treatment-of-cerebral-aneurysm-with-coils-and-onyx-in-vivo-experiment
#16
J Ueno, N Tohma
We investigated endovascular treatment of cerebral aneurysm by coil and Onyx in vivo experiment in order to promote the advantages of coil embolization,. The aim of this study was to clarify the advantages and problems of coil and Onyx embolization and to evaluate its potentials for application in clinical medicine. We set experimental aneurysms made of external jugular vein to bilateral carotid arteries of 10 Beagle dogs and embolized aneurysm with coils and Onyx.Two months later, the dogs were sacrificed and took out the experimental aneurysms and examined them histologically...
March 30, 2004: Interventional Neuroradiology
https://www.readbyqxmd.com/read/20557745/endovascular-treatment-of-aneurysmal-subarachnoid-hemorrhage-associated-with-bilateral-common-carotid-artery-occlusion
#17
T Meguro, T Tanabe, K Muraoka, K Terada, N Hirotsune, S Nishino
Cases of aneurysm associated with the occlusion of both common carotid arteries are very rare.We present a case of ruptured aneurysms of the basilar bifurcation and posterior cerebral artery coexisting with bilateral common carotid artery occlusion, successfully treated by endovascular coil embolization with a double-balloon remodeling technique. Finally, we review the literature. A 62-year-old woman presented with severe headache; a computed tomography scan demonstrated subarachnoid hemorrhage. Angiography revealed that the bilateral common carotid arteries were occluded...
December 29, 2008: Interventional Neuroradiology
https://www.readbyqxmd.com/read/19848321/hybrid-endovascular-aorta-repair-with-simultaneous-supra-aortic-branch-or-iliac-branch-revascularization
#18
Yue-Hong Zheng, Nim Choi, Hong-Ru Deng, Cu Kouk, Kun Yu, Furtado Rui
OBJECTIVE: To describe a hybrid endovascular procedure for aorta repair with different kinds of bypass followed by concomitant placement of stent graft in the aorta. METHODS: From June 2007 to May 2008, 5 consecutive patients who presented with aortic aneurysm or dissection were treated with a new hybrid aorta repair technique. Complete surgical rerouting of supra-aortic vessels was simultaneously created by endovascular repair of aortic arch aneurysm with stent graft...
September 2009: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/19132558/cerebrovascular-complications-of-methamphetamine-abuse
#19
Emily L Ho, S Andrew Josephson, Han S Lee, Wade S Smith
OBJECTIVE: Methamphetamine is a stimulant widely abused in the United States. The objective of this study was to demonstrate an association of methamphetamine use and ischemic stroke, subarachnoid hemorrhage, and intracerebral hemorrhage and to further reveal the underlying vascular pathology using neuroimaging and pathology. METHODS: This was a retrospective study based on medical chart review of admissions to the neurovascular service of a tertiary care medical center from January 2003 to July 2007...
2009: Neurocritical Care
https://www.readbyqxmd.com/read/18638729/multiple-aneurysms-associated-with-bilateral-carotid-occlusion-and-venous-angioma-surgical-management-risk-case-report
#20
M Ito, K Sato, O Tsuji, A Wachi, S Naito
A unique case of multiple aneurysms associated with bilateral carotid artery occlusion and venous angioma is described. A 42 year old female presented with subarachnoid haemorrhage. Cerebral angiograms demonstrated(1) a ruptured saccular aneurysm in the right posterior cerebral artery,(2) bilateral occlusion of internal carotid arteries,(3) a rete mirabile in the subtemporal fossa fed by left external carotid artery which connected with the internal carotid artery at the cavernous portion where a saccular aneurysm had formed, and(4) a venous angioma in the posterior fossa...
January 1994: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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