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Internal carotid aneurysm

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https://www.readbyqxmd.com/read/28927911/characteristics-of-blood-blister-like-aneurysms-with-a-saccular-shape-appearance
#1
Hirofumi Nishikawa, Shigetoshi Shimizu, Hideki Nakajima, Yotaro Kitano, Takanori Sano, Genshin Mouri, Fumitaka Miya, Hidenori Suzuki
BACKGROUND: Blood blister-like aneurysms (BBAs) are a subgroup of aneurysms located on non-branching sites of the internal carotid artery (ICA) and characterized by small size, a fragile wall, and a poorly defined broad-based neck. Both direct surgery and endovascular treatment for BBA are often challenging. Some of them were reported to look like a true saccular aneurysm, and the misdiagnosis of BBA might result in catastrophic outcomes. The purpose of this study is to clarify the clinical and intraoperative findings of saccular BBAs...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28927909/monolateral-pterional-keyhole-approaches-to-bilateral-cerebral-aneurysms-anatomy-and-clinical-application
#2
Liang-Hong Yu, Huang-Cheng Shang-Guan, Guo-Rong Chen, Shu-Fa Zheng, Yuan-Xiang Lin, Zhang-Ya Lin, Pei-Sen Yao, De-Zhi Kang
OBJECTIVE: To study the anatomy and clinical application of monolateral pterional keyhole approach for treating bilateral cerebral aneurysms. MATHERIAL AND METHODS: 12 alcohol-preserved cadaveric heads underwent right pterional keyhole approaches for management of simulative contralateral aneurysms. Length of the contralateral middle cerebral artery (MCA), distal internal carotid artery (DICA), anterior cerebral artery (ACA), and ophthalmic segment of internal carotid artery (OICA) was recorded...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28924326/definitive-management-of-ruptured-cavernous-internal-carotid-artery-aneurysm
#3
Uday Bhanu Kovilapu, Vikas Rastogi, V R Sinha, Saikrishna Thalaru
No abstract text is available yet for this article.
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28923326/effects-of-sulphasalazine-in-cerebral-ischemia-reperfusion-injury-in-rat
#4
Cansel Cetin, Ahmet Melih Erdogan, Gungor Cagdas Dincel, Bulent Bakar, Ucler Kisa
BACKGROUND: Management of cerebral ischemia/reperfusion (I/R) injury is still difficult process today. AIMS OF THE STUDY: Aim of present study was to investigate therapeutic properties of sulfasalazine in cerebral transient I/R injury in rat. METHODS: Except Control group (n = 5), 20 Wistar albino rats were allocated for acute and chronic stage investigation of I/R injury, and temporary aneurysm clips were attempted to both internal carotid arteries for thirty min...
April 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28919565/treatment-of-large-or-giant-cavernous-aneurysm-associated-with-a-persistent-trigeminal-artery-a-case-report-and-review-of-literature
#5
Tatsuya Ishikawa, Koji Yamaguchi, Hidenori Anami, Masatake Sumi, Tomomi Ishikawa, Takakazu Kawamata
BACKGROUND: Primitive trigeminal artery (PTA) is the most common anomaly of primitive carotid-basilar anastomosis and is associated with cerebrovascular anomalies, such as aneurysm. Large or giant cavernous aneurysm associated with PTA is rare, and the treatment strategies differ in comparison to large or giant aneurysm without PTA. In this article, we report an unusual case of a giant cavernous aneurysm associated with PTA and review treatment strategies for large or giant cavernous aneurysm associated with PTA...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28914867/-on-the-classification-of-large-and-giant-paraclinoid-internal-carotid-artery-aneurysms
#6
O D Shekhtman, Sh Sh Eliava, Yu V Pilipenko, An N Konovalov
Large and giant intradural ICA aneurysms or the so-called paraclinoid aneurysms are a surgical challenge requiring high qualification of the neurosurgeon. Despite numerous publications on this topic, there is still no generally accepted classification of paraclinoid aneurysms. In this paper, we analyzed the definitions and classifications of paraclinoid aneurysms, which were available in the medical literature. The paper presents our own surgical classification of paraclinoid ICA aneurysms, which has been developed by Prof...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28912279/differences-in-morphologic-and-hemodynamic-characteristics-for-phases-based-intracranial-aneurysm-locations
#7
N Varble, H Rajabzadeh-Oghaz, J Wang, A Siddiqui, H Meng, A Mowla
BACKGROUND AND PURPOSE: Several recent prospective studies have found that unruptured intracranial aneurysms at various anatomic locations have different propensities for future rupture. This study aims to uncover the lack of understanding regarding rupture-prone characteristics, such as morphology and hemodynamic factors, associated with different intracranial aneurysm location. MATERIALS AND METHODS: We investigated the characteristics of 311 unruptured aneurysms at our center...
September 14, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28904825/angiographic-and-epidemiological-characteristics-associated-with-aneurysm-remnants-after-microsurgical-clipping
#8
Marcos Dellaretti, Warley Carvalho da Silva Martins, Jules Carlos Dourado, Wilson Faglioni, Ricardo Souza Quadros, Vítor Vieira de Souza Moraes, Carlos Batista Alves de Souza Filho
BACKGROUND: Despite new techniques for the treatment of cerebral aneurysms, the percentage of aneurysm remnants after surgical intervention seems to be relatively constant. The objective of this study was to assess angiographic and epidemiological features associated with aneurysm remnants after microsurgical clipping. METHODS: This study was conducted from February 2009 to August 2012 on a series of 90 patients with 105 aneurysms referred to the Santa Casa of Belo Horizonte who were surgically treated and angiographically controlled...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904824/a-case-of-unruptured-aneurysm-of-the-internal-carotid-artery-presenting-as-olfactory-hallucinations
#9
Jiro Akimoto, Norio Ichimasu, Rei Haraoka, Shinjiro Fukami, Michihiro Kohno
BACKGROUND: Olfactory hallucination, a symptom of medial temporal lobe epilepsy, is rarely associated with unruptured intracranial aneurysms. CASE DESCRIPTION: We encountered this situation in a 70-year-old woman with an unruptured aneurysm at the bifurcation of the internal carotid and posterior communicating artery. We were able to achieve epileptic control by craniotomy clipping and medial temporal lesionectomy. CONCLUSION: According to our knowledge, previous reports are limited to cases of large middle cerebral artery aneurysms compressing the lateral orbitofrontal cortex, and this is apparently the first report of a case where olfactory hallucinations occurred from direct stimulation of the entorhinal cortex by an internal carotid and posterior communicating artery bifurcation aneurysm...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28904796/endovascular-management-of-symptomatic-cerebral-aneurysm-thromboembolism-due-to-pre-aneurysmal-arterial-stenosis
#10
Torin Karsonovich, Ajeet Gordhan
BACKGROUND: Pre-aneurysmal internal carotid steno-occlusive disease resulting in cerebral intra-aneurysmal thrombosis and subsequent embolic infarction has not been previously described. CONCLUSION: Antithrombotic treatment for dissolution of the thrombus and pre-aneurysmal stent angioplasty followed by Pipeline embolization flow diverter placement through the aneurysm is a safe and feasible management option.
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28902824/-aneurysm-of-the-extracranial-portion-of-the-internal-carotid-artery-combined-with-kinking-of-its-distal-segment
#11
S P Zotov, A V Shcherbakov, M S Ufimtsev, N E Kostromitin, T V Semashko, E N Korzina, T A Tsar'kova, K A Zharov
Presented herein is a clinical case report regarding successful operation for an aneurysm of the left internal carotid artery (measuring 4.5*8.3 cm) combined with pathological tortuosity in its distal portion. The patient was subjected to aneurysmectomy of the left internal carotid artery with prosthetic repair. Kinking in the distal portion of the aneurysm made it possible with minimal technical difficulties to establish a distal anastomosis during prosthetic repair. The diagnosis of an atherosclerotic-aetiology aneurysm was morphologically confirmed...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28887285/the-occipital-artery-as-an-alternative-donor-for-low-flow-bypass-to-anterior-circulation-after-ica-occlusion-failure-prior-to-exenteration-for-an-atypical-cavernous-sinus-meningioma-a-technical-case-report
#12
Shunya Hanakita, Stéphanie Lenck, Moujahed Labidi, Kentaro Watanabe, Damien Bresson, Sébastien Froelich
BACKGROUND: and Importance: In skull-base tumors involving the cavernous sinus (CS), indications for aggressive resection are sparse and must be carefully examined because of their invasiveness. With careful evaluation, techniques including internal carotid artery (ICA) sacrifice with or without extracranial-intracranial (EC-IC) bypass may still be an option in some cases. In addition, previous surgery with the sacrifice of potential donor vessels requires adjusting the revascularization strategy...
September 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28868192/giant-cavernous-carotid-aneurysm-causing-pituitary-dysfunction-pituitary-function-recovery-with-high-flow-bypass
#13
Hideaki Ono, Tomohiro Inoue, Naoto Kunii, Takeo Tanishima, Akira Tamura, Isamu Saito, Nobuhito Saito
BACKGROUND: Giant internal carotid artery (ICA) aneurysms extending into the sellar region, mimicking pituitary tumors, and causing pituitary dysfunction are relatively rare. Open surgery or endovascular treatment can treat these aneurysms, but achieving recovery of endocrine function is difficult. CASE DESCRIPTION: A 56-year-old man presented with giant aneurysm of the ICA causing pituitary impairment, leading to disturbance of consciousness due to hyponatremia...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28859027/subarachnoid-hemorrhage-revealing-moyamoya-syndrome-in-a-patient-with-may-hegglin-anomaly
#14
Yannick Béjot, José-Luis Barnay, Adrien Chavent, Benoit Daubail, Agnès Jacquin, Apolline Kazemi, Frédéric Ricolfi, Maurice Giroud
INTRODUCTION: Moyamoya syndrome is a rare progressive cerebrovascular occlusive disease for which several associated conditions have been described. CASE REPORT: We report the case of a 76-year-old woman with a history of May-Hegglin anomaly who presented with an isolated unusual diffuse headache. Initial laboratory investigations showed only thrombocytopenia (platelet count 95000/μL). Unenhanced brain computed tomography scan revealed a small subarachnoid hemorrhage in the left frontal lobe...
September 2017: Neurologist
https://www.readbyqxmd.com/read/28859024/spontaneous-resolution-of-venous-aneurysms-after-transarterial-embolization-of-a-variant-superior-sagittal-sinus-dural-arteriovenous-fistula-case-report-and-literature-review
#15
Weizheng Song, Hong Sun, Jin Liu, Li Liu, Jia Liu
We present a rare case of dural arteriovenous fistula (DAVF) with subarachnoid hemorrhage and intraventricular hemorrhage due to its venous aneurysms. A 63-year-old woman was admitted for a sudden loss of consciousness. Computed tomography angiograph, magnetic resonance imaging angiography, and digital subtraction angiography revealed a superior sagittal sinus DAVF. The fistula was fed by the left middle meningeal artery and left internal carotid artery, and was drained by a right vein of Trolard, the superficial Sylvian vein, deep Sylvian vein, and basal vein to the vein of Galen...
September 2017: Neurologist
https://www.readbyqxmd.com/read/28841119/predictive-anatomical-factors-for-rupture-in-middle-cerebral-artery-mirror-bifurcation-aneurysms
#16
Homajoun Maslehaty, Crescenzo Capone, Roman Frantsev, Igor Fischer, Ramazan Jabbarli, Jan F Cornelius, Marcel A Kamp, Paolo Cappabianca, Ulrich Sure, Hans-Jakob Steiger, Athanasios K Petridis
OBJECTIVE The aim of this study was to define predictive factors for rupture of middle cerebral artery (MCA) mirror bifurcation aneurysms. METHODS The authors retrospectively analyzed the data in patients with ruptured MCA bifurcation aneurysms with simultaneous presence of an unruptured MCA bifurcation mirror aneurysm treated in two neurosurgical centers. The following parameters were measured and analyzed with the statistical software R: neck, dome, and width of both MCA aneurysms-including neck/dome and width/neck ratios, shape of the aneurysms (regular vs irregular), inflow angle of both MCA aneurysms, and the diameters of the bilateral A1 and M1 segments and the frontal and temporal M2 trunks, as well as the bilateral diameter of the internal carotid artery (ICA)...
August 25, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28840087/posterior-inferior-cerebellar-artery-thrombosed-aneurysm-associated-with-persistent-primitive-hypoglossal-artery-successfully-treated-with-condylar-fossa-approach
#17
Norihiro Saito, Rokuya Tanikawa, Toshiyuki Tsuboi, Kosmo Noda, Nakao Ota, Shirou Miyata, Hidetoshi Matsukawa, Takeshi Yanagisawa, Fumihiro Sakakibara, Yu Kinoshita, Takanori Miyazaki, Hiroyasu Kamiyama, Sadahisa Tokuda
A 68-year-old woman presented with generalized seizure due to the left internal carotid artery (ICA) aneurysmal compression of the ipsilateral medial temporal lobe. Computed tomography angiography (CTA) revealed multiple aneurysms of the right persistent primitive hypoglossal artery (PPHA), the right ICA, and the right anterior cerebral artery (ACA). The right PPHA originated from the ICA at the level of the C1 and C2 vertebral bodies and passed through the hypoglossal canal (HC). The PPHA aneurysm was large and thrombosed, which was located at the bifurcation of the right PPHA and the right posterior inferior cerebellar artery (PICA), projecting medially to compress the medulla oblongata...
July 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28840081/segmental-aplasia-of-bilateral-internal-carotid-arteries-accompanied-by-intracranial-aneurysms-a-case-report
#18
Toshiyuki Ohtani, Keiya Iijima, Kaoru Aishima, Hajime Wada, Nobuo Sasaguchi, Hideyuki Kurihara
A 68-year-old woman presented with segmental aplasia of bilateral internal carotid arteries accompanied by unruptured intracranial aneurysms. The abnormality was discovered incidentally at the age of 44 years. Cerebral angiography showed occlusion of bilateral internal carotid arteries, and the carotid territory was supplied by each posterior communicating artery with small intracranial aneurysms. Endovascular treatment for the intracranial aneurysms was planned. However, the patient did not want to undergo the endovascular procedure because of the increased risk due to the associated bilateral carotid abnormalities...
July 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28839527/a-new-imaging-tool-for-realtime-measurement-of-flow-velocity-in-intracranial-aneurysms
#19
Athanasios K Petridis, Marius Kaschner, Jan F Cornelius, Marcel A Kamp, Angelo Tortora, Hans-Jakob Steiger, Bernd Turowski
With modern imaging modalities of the brain a significant number of unruptured aneurysms are detected. However, not every aneurysm is prone to rupture. Because treatment morbidity is about 10% it is crucial to identify unstable aneurysms for which treatment should be discussed. Recently, new imaging tools allow analysis of flow dynamics and wall stability have become available. It seems that they might provide additional data for better risk profiling. In this study we present a new imaging tool for analysis of flow dynamics, which calculates fluid velocity in an aneurysm (Phillips Electronics, N...
June 7, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28838114/endovascular-treatment-of-large-and-giant-carotid-aneurysms-with-flow-diverter-stents-alone-or-in-combination-with-coils-a-multicenter-experience-and-long-term-follow-up
#20
Simone Peschillo, Alessandro Caporlingua, Maria Chiara Resta, Jo Peter Paul Peluso, Nicola Burdi, Nader Sourour, Francesco Diana, Giulio Guidetti, Frédéric Clarençon, Gijs Coenraad Bloemsma, Federico Di Maria, Massimo Donatelli, Maurizio Resta
BACKGROUND: Although flow diverters (FDs) have been widely accepted by neurointerventionists, their safety has yet to be fully defined. Stratification by aneurysm size and location is essential for correct evaluation of treatment outcomes and risks of flow diversion. OBJECTIVE: To compare neurological and anatomic outcomes and evaluate the risk of complications after endovascular treatment of large or giant internal carotid artery (ICA) aneurysms with FD/FDs alone or together with coil embolization...
August 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
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