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cerebellar hemorrhage

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https://www.readbyqxmd.com/read/28527261/-posterior-reversible-encephalopathy-syndrome-report-of-a-fatal-case-and-analysis-of-predictive-factors-of-a-poor-prognosis
#1
Moisés Ulises Torres, Ligia Victoria Delgado, Natalia Giraldo, Piedad Urueña, Sergio Franco, Olga Helena Hernández
Posterior reversible encephalopathy syndrome is an illness with multiple causes and distinctive clinicalradiological characteristics that should be known by intensivists and emergency room physicians for a timely diagnosis and treatment. A fatal case of posterior reversible encephalopathy syndrome is presented, and the risk factors related to the outcome are identified.A 60-year-old man without a relevant medical history arrived at the emergency room presenting with depressed consciousness, seizures, and high blood pressure...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28520943/risk-assessment-of-hemorrhage-of-posterior-inferior-cerebellar-artery-aneurysms-in-posterior-fossa-arteriovenous-malformations
#2
Alice L Hung, Wuyang Yang, Maria Braileanu, Tomas Garzon-Muvdi, Justin M Caplan, Geoffrey P Colby, Alexander L Coon, Rafael J Tamargo, Judy Huang
BACKGROUND: Posterior fossa arteriovenous malformations (AVMs) are associated with increased risk of rupture and severe consequences from such rupture. The hemorrhagic risk of prenidal aneurysms (anr) on the posterior inferior cerebellar artery (PICA) may exceed that of the AVM in posterior fossa AVMs fed by PICA (PICA-AVM). OBJECTIVE: To characterize the relative risks of aneurysm and AVM hemorrhage in patients with posterior fossa AVMs. METHODS: We retrospectively reviewed patients diagnosed with AVM...
May 18, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28490165/remote-cerebellar-hemorrhage-presenting-with-cerebellar-mutism-after-spinal-surgery-an-unusual-case-report
#3
Halil Murat Sen, Mustafa Guven, Adem Bozkurt Aras, Murat Cosar
Dural injury during spinal surgery can subsequently give rise to a remote cerebellar hemorrhage (RCH). Although the incidence of such injury is low, the resulting hemorrhage can be life threatening. The mechanism underlying the formation of the hemorrhage is not known, but it is mostly thought to develop after venous infarction. Cerebellar mutism (CM) is a frequent complication of posterior fossa operations in children, but it is rarely seen in adults. The development of CM after an RCH has not been described...
May 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28484546/postoperative-hematoma-involving-brainstem-peduncles-cerebellum-deep-subcortical-white-matter-cerebral-hemispheres-following-chronic-subdural-hematoma-evacuation
#4
Mohana Rao Patibandla, Amit K Thotakura, Dinesh Shukla, Anirudh K Purohit, Gokul Chowdary Addagada, Manisha Nukavarapu
Among the intracranial hematomas, chronic subdural hematomas (CSDH) are the most benign with a mortality rate of 0.5-4.0%. The elderly and alcoholics are commonly affected by CSDH. Even though high percentage of CSDH patients improves after the evacuation, there are some unexpected potential complications altering the postoperative course with neurological deterioration. Poor outcome in postoperative period is due to complications like failure of brain to re-expand, recurrence of hematoma and tension pneumocephalus...
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28454880/expression-of-negative-immune-regulatory-molecules-pro-inflammatory-chemokine-and-cytokines-in-immunopathology-of-ecm-developing-mice
#5
Ashwin V Khandare, Deepali Bobade, Mangesh Deval, Tushar Patil, Bhaskar Saha, D Prakash
The pathological events in human cerebral malaria are mimicked in the experimental cerebral malaria (ECM) in Plasmodium berghei ANKA (PBA)-infected C57BL/6 mice. Although previously implied in ECM, the kinetics of cytokines and chemokines expression-an essential functional feature for defining causality in ECM development-remained untested. Herein, we characterized the immunopathological changes and the expression of negative immune regulatory molecules, cytokines and chemokines through asymptomatic (3days after infection, 3dpi), symptomatic (5dpi) and ECM (7dpi) stages in PBA-infected C57BL/6 mice...
April 25, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28450438/large-basilar-apex-aneurysms-treated-with-flow-diverter-stents
#6
V Da Ros, J Caroff, A Rouchaud, C Mihalea, L Ikka, J Moret, L Spelle
BACKGROUND AND PURPOSE: The treatment of wide-neck, large basilar apex aneurysms is challenging with either an endovascular or a surgical approach. The aim of the present study was to report our experience treating basilar apex aneurysms with flow-diverter stents and to evaluate their efficacy and safety profile in this specific anatomic condition. MATERIALS AND METHODS: We retrospectively analyzed data from all consecutive patients treated with flow-diverter stents at our institution between January 2011 and January 2015...
April 27, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28402517/posterior-inferior-cerebellar-artery-vertebral-artery-subarachnoid-hemorrhage-a-comparison-of-saccular-vs-dissecting-aneurysms
#7
Mitchell T Foster, Amit Herwadkar, Hiren C Patel
BACKGROUND: Two distinct categories of aneurysms are described in relation to the posterior inferior cerebellar artery (PICA) and vertebral artery (VA): saccular (SA) and dissecting (DA) types. This distinction is often unrecognized because abnormalities here are uncommon and most studies are small. OBJECTIVE: To determine if there are any differences in the clinical presentation, in-hospital course, or outcomes in patients with DA vs SA of the PICA or VA. METHODS: Thirty-eight patients with a VA or PICA aneurysm were identified from a departmental subarachnoid hemorrhage database and categorized into DA or SA types...
April 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28402473/cavernous-malformation-associated-with-arterialized-developmental-venous-anomaly-a-case-report
#8
Kenta Nakase, Yasushi Motoyama, Tokiko Nakai, Yasuhiro Takeshima, Ichiro Nakagawa, Young-Su Park, Chiho Ohbayashi, Hiroyuki Nakase
BACKGROUND AND IMPORTANCE: Formation of cavernous malformations (CMs) has been recognized to be associated with developmental venous anomaly (DVA) by many authors. Hemodynamic stress due to venous outflow restriction could be hypothesized as a cause. On the other hand, a rare subgroup of DVA with an arterial component has been reported as likely to hemorrhage or be symptomatic. Cases of arterialized DVAs reported previously have not been associated with the presence of CM. CLINICAL PRESENTATION: We present herein a case report of arterialized DVA in the brainstem with repeated cerebellar hemorrhage...
June 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28397378/basal-subarachnoid-hemorrhage-by-rupture-of-arteriovenous-malformation-at-the-cerebellopontine-angle
#9
Mio Takayama, Masayuki Kashiwagi, Kenji Hara, Aya Matsusue, Brian Waters, Natsuki Ikematsu, Shin-Ichi Kubo
A man in his late forties had lived as a recluse for more than ten years. He was found dead in his room. At autopsy, subarachnoid hemorrhage (SAH) was detected at the base of the brain, which weighed 1333 g. The cerebellar tonsil was swollen. The cerebral ventricle was enlarged and filled with blood. A hematoma was observed in the upper part of the left side of the cerebellar hemisphere. The location and size of SAH in this case indicated that the rupture of a cerebral aneurysm (CA) had occurred; however, CA was not detected...
April 10, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/28387623/flow-diverter-devices-in-ruptured-intracranial-aneurysms-a-single-center-experience
#10
Emilio Lozupone, Mariangela Piano, Luca Valvassori, Luca Quilici, Guglielmo Pero, Emiliano Visconti, Edoardo Boccardi
OBJECTIVE In this single-center series, the authors retrospectively evaluated the effectiveness, safety, and midterm follow-up results of ruptured aneurysms treated by implantation of a flow diverter device (FDD). METHODS The records of 17 patients (12 females, 5 males, average World Federation of Neurosurgical Societies score = 2.9) who presented with subarachnoid hemorrhage (SAH) due to the rupture of an intracranial aneurysm treated with an FDD were retrospectively reviewed. Of 17 ruptured aneurysms, 8 were blood blister-like aneurysms and the remaining 9 were dissecting aneurysms...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28379515/far-lateral-approach-without-drilling-the-occipital-condyle-for-vertebral-artery-posterior-inferior-cerebellar-artery-aneurysms
#11
Pablo Seoane, Samuel Kalb, Justin C Clark, Juan C Rivas, David S Xu, George A C Mendes, Mark C Preul, Joseph M Zabramski, Robert F Spetzler, Peter Nakaji
BACKGROUND: The far-lateral transcondylar surgical approach is often used to clip vertebral artery (VA) and posterior inferior cerebellar artery (PICA) aneurysms. The role of condyle resection during this approach is controversial. OBJECTIVE: To evaluate patient outcomes in patients with VA-PICA aneurysms in whom drilling the occipital condyle was not necessary. METHODS: Between May 2005 and December 2012, a total of 56 consecutive patients with incidental or ruptured VA-PICA aneurysms underwent surgery with a far-lateral approach without condylar resection...
April 4, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28373616/oculomotor-nerve-palsy-in-a-patient-with-a-ruptured-middle-cerebral-artery-aneurysm
#12
Suguru Yokosako, Yuichiro Kikkawa, Ririko Takeda, Toshiki Ikeda, Hiroki Kurita
We describe a case of acute oculomotor nerve palsy caused by a ruptured middle cerebral artery (MCA) aneurysm. A 59-year-old female presenting with headache and nausea was admitted to our hospital. Her consciousness was alert, and had no other neurological deficit without left oculomotor nerve palsy. A computed tomography (CT) showed SAH extending from left sylvian cistern to basal cistern. CT angiography revealed a left MCA aneurysm which protruded toward internal carotid artery. The patient was successfully treated with surgical clipping...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28330424/tentorial-meningioma-supplied-by-a-marginal-tentorial-artery-arising-from-the-superior-cerebellar-artery-anatomic-and-technical-considerations
#13
Stéphanie Lenck, Kentaro Watanabe, Jean-Pierre Saint-Maurice, Moujahed Labidi, Marc-Antoine Labeyrie, Sébastien Froelich, Emmanuel Houdart
Background and importance The marginal tentorial artery runs over the free edge of the tentorium. Different origins have been described, always involving branches of the carotid artery. We report the superior cerebellar artery as an unknown origin of this artery. We developed our strategy in a case of a tentorial meningioma mainly supplied by this artery. Clinical presentation A 53-year-old man was admitted in our institution for the surgical treatment of a large tentorial and petroclival meningioma. A 2D conventional angiogram was insufficient to detect the tumoral blush...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28328605/unusual-association-cerebral-arteriovenous-malformation-and-chiari-type-i-malformation
#14
Hayri Ogul, Mecit Kantarci
Cerebral arteriovenous malformation (AVM) is a common type of cerebral vascular malformation. The imaging findings are enlarged vessels, thrombosed sinuses, and hemorrhage or gliosis on adjacent brain parenchyma. Magnetic resonance (MR) imaging can be used safely for diagnosis. Chiari type I malformation is characterized by a caudal descent of the cerebellar tonsil. Coincidence of cerebral AVM and Chiari type I malformation is very rare. In this paper, the authors report MR imaging findings of a patient with coincidence of cerebral AVM and Chiari type I malformation...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327921/the-superior-cerebellar-artery-aneurysm-a-posterior-circulation-aneurysm-with-favorable-microsurgical-outcomes
#15
Ana Rodríguez-Hernández, Brian P Walcott, Harjus Birk, Michael T Lawton
BACKGROUND: Superior cerebellar artery (SCA) aneurysms are usually grouped with aneurysms that arise from the upper basilar artery or more broadly, the posterior circulation. However, the SCA aneurysm has distinctive anatomy that facilitates safe surgical management, notably few associated perforating arteries, and excellent exposure in the carotid-oculomotor triangle. OBJECTIVE: To demonstrate the outcomes of patients treated with microsurgery in a continuous surgical series...
June 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28297687/-a-rare-case-of-cerebellar-hemangioblastoma-causing-taste-disorder
#16
Hiroko Nakashiro, Masatou Kawashima, Fumitaka Yoshioka, Yukiko Nakahara, Yukinori Takase, Atsushi Ogata, Shoko Shimokawa, Jun Masuoka, Tatsuya Abe, Toshio Matsushima
Taste(gustation)is one of the five senses, and comprises the types: sweet, bitter, salty, sour, and umami. Taste disorders, such as dysgeusia and parageusia, are classified into 2 types: those with peripheral origin and those with central origin. The peripheral origin-type taste disorder is caused by zinc deficiency, mouth dryness, a side effect of radiotherapy or complication of systemic diseases such as, diabetes, hepatopathy, and nephropathy. The central origin-type taste disorder is reported to be caused due to demyelinating disease, pontine hemorrhage, pontine infarction, and thalamic infarction; it is very rarely caused by a brain tumor...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28291420/de-novo-formation-of-a-large-cavernoma-associated-with-a-congenital-torcular-dural-arteriovenous-fistula-case-report
#17
Waleed Brinjikji, Kelly D Flemming, Giuseppe Lanzino
The authors report a case of a developmentally normal child with a congenital complex torcular dural arteriovenous fistula (DAVF) who later, in his teenage years, developed several vermian cavernomas within a large cerebellar developmental venous anomaly (DVA). The patient had initially presented with an abnormally large head circumference but no neurological deficits. He underwent several partial embolization procedures in an attempt to decrease the blood supply of the fistula over the course of 8 years. Nine years following initial presentation, he presented with a fourth ventricular hemorrhage, due to development of a new vermian cavernoma adjacent to a previously known vermian DVA and suffered subsequent mild left-sided hemiataxia from which he later recovered...
May 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28273059/effect-of-admission-hyperglycemia-on-6-month-functional-outcome-in-patients-with-spontaneous-cerebellar-hemorrhage
#18
Chuanyuan Tao, Xin Hu, Jiajing Wang, Chao You
BACKGROUND Cerebellar hemorrhage (CH) has a quite different treatment strategy and prognostic factors compared with supratentorial intracerebral hemorrhage (ICH). The prognostic role of hyperglycemia has been discussed mainly in cases of supratentorial hemorrhage; it remains to be elucidated following CH. We aimed to determine the association of hyperglycemia on admission with 6-month functional outcome in CH patients. MATERIAL AND METHODS We retrospectively analyzed 77 patients with acute CH between September 2010 and April 2015 in West China Hospital...
March 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28258876/the-use-of-tissue-plasminogen-activator-in-the-treatment-of-wallenberg-syndrome-caused-by-vertebral-artery-dissection
#19
Alexis Salerno, Bradford V Cotter, Michael E Winters
BACKGROUND: Acute cerebrovascular accident (CVA) is a devastating cause of patient morbidity and mortality. Up to 10% of acute CVAs in young patients are caused by dissection of the vertebral or carotid artery. Wallenberg syndrome results from a CVA in the vertebral or posterior inferior artery of the cerebellum and manifests as various degrees of cerebellar dysfunction. The administration of a thrombolytic medication has been recommended in the treatment of patients with stroke caused by cervical artery dissection...
February 28, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28244141/claudin-domain-containing-1-contributing-to-endothelial-cell-adhesion-decreases-in-presence-of-cerebellar-hemorrhage
#20
Masatoshi Ohnishi, Hiroyuki Ochiai, Kohei Matsuoka, Marina Akagi, Yuta Nakayama, Akiho Shima, Arisa Uda, Hiroshi Matsuoka, Jun Kamishikiryo, Akihiro Michihara, Atsuko Inoue
The claudin family comprises four-pass transmembrane proteins involved in the formation of tight junctions (TJs). Relatively recently, claudin domain containing (CLDND) 1, also known as claudin-25, was identified as a novel member of the claudin family. In the present study, we revealed that in the adult murine brain, CLDND1 is abundant in the cerebellum among common sites of intracerebral hemorrhage. Thus, the dynamics of CLDND1 after cerebellar hemorrhage were examined. Both CLDND1 mRNA and protein levels transiently decreased at 24 hr after hemorrhagic insult...
February 28, 2017: Journal of Neuroscience Research
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