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Posterior Stroke OR Infarct AND cerebellar Stroke OR Infarct AND Cerebellum Stroke OR infarct

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https://www.readbyqxmd.com/read/30228845/spinal-canal-meningioma-mimicking-posterior-fossa-ischemia-on-ct-perfusion-a-ct-perfusion-pitfall
#1
Houman Sotoudeh
The recent approach to treat acute stroke is to extend treatment window in patients with salvageable peri-infarct ischemia which increases the application of the perfusion imaging, specifically computed tomography perfusion (CTP). In this paper, I am presenting a case of left middle cerebral artery infarction which was evaluated by CTP under "code stroke." The patient had an incidental spinal canal meningioma which was out of field of view in CTP but mimicked right cerebellar ischemia on CTP. Although ischemia has been previously reported within the peripheral parenchymal edema surrounding a meningioma, in this patient there was no evidence of edema in the right cerebellum on magnetic resonance imaging...
October 2018: Radiology Case Reports
https://www.readbyqxmd.com/read/29455391/focal-ischaemic-infarcts-expand-faster-in-cerebellar-cortex-than-cerebral-cortex-in-a-mouse-photothrombotic-stroke-model
#2
Nagarajesh Gorlamandala, Jasneet Parmar, Amanda J Craig, John M Power, Andrew J Moorhouse, Arun V Krishnan, Gary D Housley
It is generally accepted that the cerebellum is particularly vulnerable to ischaemic injury, and this may contribute to the high mortality arising from posterior circulation strokes. However, this has not been systematically examined in an animal model. This study compared the development and resolution of matched photothrombotic microvascular infarcts in the cerebellar and cerebral cortices in adult 129/SvEv mice of both sexes. The photothrombotic lesions were made using tail vein injection of Rose Bengal with a 532 nm laser projected onto a 2 mm diameter aperture over the target region of the brain (with skull thinning)...
February 17, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29137445/altered-resting-state-functional-activity-in-isolated-pontine-infarction-patients-with-pathological-laughing-and-crying
#3
Tao Liu, Jianjun Li, Shixiong Huang, Changqinq Li, Zhongyan Zhao, Guoqiang Wen, Feng Chen
We used resting-state functional magnetic resonance imaging to investigate the global spontaneous neural activity involved in pathological laughing and crying after stroke. Twelve pathological laughing and crying patients with isolated pontine infarction were included, along with 12 age- and gender-matched acute isolated pontine infarction patients without pathological laughing and crying, and 12 age- and gender-matched healthy controls. We examined both the amplitude of low-frequency fluctuation and the regional homogeneity in order to comprehensively evaluate the intrinsic activity in patients with post-stroke pathological laughing and crying...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28687640/early-imaging-prediction-of-malignant-cerebellar-edema-development-in-acute-ischemic-stroke
#4
Matthias P Fabritius, Kolja M Thierfelder, Felix G Meinel, Ahmed E Othman, Franziska Dorn, Bastian O Sabel, Pierre Scheffler, Birgit Ertl-Wagner, Wieland H Sommer, Wolfgang G Kunz
BACKGROUND AND PURPOSE: Malignant cerebellar edema (MCE) is a life-threatening complication of acute ischemic stroke that requires timely diagnosis and management. Aim of this study was to identify imaging predictors in initial multiparametric computed tomography (CT), including whole-brain CT perfusion (WB-CTP). METHODS: We consecutively selected all subjects with cerebellar ischemic WB-CTP deficits and follow-up-confirmed cerebellar infarction from an initial cohort of 2635 patients who had undergone multiparametric CT because of suspected stroke...
September 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28314977/isolated-vestibular-syndromes-due-to-brainstem-and-cerebellar-lesions
#5
REVIEW
Sung-Hee Kim, Hyo Jung Kim, Ji-Soo Kim
Dizziness/vertigo is the most common symptoms of posterior circulation strokes. Isolated vestibular symptoms and signs without other neurologic deficits have been found in infarctions involving the brainstem and cerebellum. In the brainstem, infarctions responsible for isolated vestibular syndrome are usually restricted to the dorsal portion that contains the vestibular nucleus and the nucleus prepositus hypoglossi. Cerebellar lesions confined to the flocculus, tonsil, and nodulus also produce isolated vertigo and imbalance...
October 2017: Journal of Neurology
https://www.readbyqxmd.com/read/27293332/clinical-and-radiologic-features-and-their-relationships-with-neurofunctional-scores-in-patients-with-acute-cerebellar-infarct
#6
Hasan Hüseyin Kozak, Ali Ulvi Uca, Necdet Poyraz, Süleyman Ömer Anliaçık, Osman Serhat Tokgöz
BACKGROUND: Cerebellar infarct is a rare condition with very nonspecific clinical features. The aim of this study was to assess the full spectrum of the clinical characteristics, neuroimaging findings and neurofunctional analyses of cerebellar infarction, and the relationship between them. MATERIALS AND METHODS: Data were collected from 59 patients admitted to our department during an 8-year period. We retrospectively analyzed the relationship between demographic characteristics, clinical symptomatology, etiological factors, functional condition, vascular distribution, frequency of subcortical white matter lesions (WMLs), and concomitant lesion outside the cerebellum in patients with acute cerebellar infarct (ACI) at time of admission...
April 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27165960/does-contralesional-hand-function-after-neonatal-stroke-only-depend-on-lesion-characteristics
#7
Mickael Dinomais, Lucie Hertz-Pannier, Samuel Groeschel, Matthieu Delion, Béatrice Husson, Manoelle Kossorotoff, Cyrille Renaud, Stéphane Chabrier, Sylvie Nguyen The Tich
BACKGROUND AND PURPOSE: In children having suffered from neonatal arterial ischemic stroke, the relationship between contralesional hand performance and structural changes in brain areas remote from the infarct site was examined. METHODS: Using voxel-based morphometry, we correlated contralesional gross manual dexterity assessed by the box and block test and whole-brain gray and white-matter volume changes on high-resolution magnetic resonance imaging in 37 7-year-old post-neonatal arterial ischemic stroke children...
June 2016: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/26693029/atypical-cerebral-and-cerebellar-language-organisation-a-case-study
#8
Kim van Dun, Elke De Witte, Wendy Van Daele, Wim Van Hecke, Mario Manto, Peter Mariën
BACKGROUND: In the majority of right-handed subjects, language processing is subserved by a close interplay between the left cerebral hemisphere and right cerebellum. Within this network, the dominant fronto-insular region and the contralateral posterior cerebellum are crucially implicated in oral language production. CASE PRESENTATION: We report atypical anatomoclinical findings in a right-handed patient with an extensive right cerebellar infarction and an older left fronto-insular stroke...
2015: Cerebellum & Ataxias
https://www.readbyqxmd.com/read/26573627/recent-advances-in-cerebellar-ischemic-stroke-syndromes-causing-vertigo-and-hearing-loss
#9
REVIEW
Hyun-Ah Kim, Hyon-Ah Yi, Hyung Lee
Cerebellar ischemic stroke is one of the common causes of vascular vertigo. It usually accompanies other neurological symptoms or signs, but a small infarct in the cerebellum can present with vertigo without other localizing symptoms. Approximately 11 % of the patients with isolated cerebellar infarction simulated acute peripheral vestibulopathy, and most patients had an infarct in the territory of the medial branch of the posterior inferior cerebellar artery (PICA). A head impulse test can differentiate acute isolated vertigo associated with PICA territory cerebellar infarction from more benign disorders involving the inner ear...
December 2016: Cerebellum
https://www.readbyqxmd.com/read/26257194/late-onset-recurrent-mania-as-a-manifestation-of-wallenberg-syndrome-a-case-report-and-review-of-the-literature
#10
Piyush Das, Amit Chopra, Abhishek Rai, Preetha Sharone Kuppuswamy
OBJECTIVE: The aim of the present case report was to describe the late onset of recurrent mania in a patient after ischemic injury to the cerebellum and dorsolateral medulla. METHODS: We studied an 86-year-old male with no prior psychiatric history who developed recurrent episodes of mania following a brain stroke. Additionally, he had neurological symptom constellation typical of Wallenberg syndrome. RESULTS: Magnetic resonance imaging of the brain revealed infarction in the inferomedial right cerebellar hemisphere and the right dorsolateral medulla in the right posterior inferior cerebellar artery (PICA) distribution...
September 2015: Bipolar Disorders
https://www.readbyqxmd.com/read/26044230/a-study-on-lesion-pattern-of-bilateral-cerebellar-infarct
#11
P-Q Wang, Z-G Ding, G-B Zhang, Y Wang, J-Z Liu
OBJECTIVE: To explore the lesion patterns and stroke mechanism of the acute bilateral cerebellar infarct. PATIENTS AND METHODS: Patients admitted to Xiangyang Hospital with acute cerebellar infarcts, confirmed by diffusion-weighted imaging (DWI), were investigated. Patients were divided into two groups by lesions: unilateral cerebellar infarct (UCI) and bilateral cerebellar infarct (BCI). The demographic features, involved territories and concomitant lesions outside the cerebellum (CLOC)...
May 2015: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/25979424/outflow-occlusion-with-occipital-artery-posterior-inferior-cerebellar-artery-bypass-for-growing-vertebral-artery-fusiform-aneurysm-with-ischemic-onset-a-case-report
#12
Ryuzaburo Kochi, Hidenori Endo, Miki Fujimura, Kenichi Sato, Shin-ichiro Sugiyama, Shin-ichiro Osawa, Teiji Tominaga
Surgical treatments should be considered for vertebral artery fusiform aneurysms, which become symptomatic due to cerebral ischemia or mass effect. Ischemic complication is one of the major problems after surgical or endovascular trapping, which is associated with unfavorable outcomes. The authors present a case with growing vertebral artery (VA) fusiform aneurysm with ischemic onset successfully treated with outflow occlusion with occipital artery-posterior inferior cerebellar artery (OA-PICA) bypass. A 50-year-old woman presented with left PICA territory infarction...
August 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/25875987/vertebral-artery-dissection-causing-stroke-after-trampoline-use
#13
Courtney S Casserly, Rodrick K Lim, Asuri Narayan Prasad
OBJECTIVES: The aim of this study was to report a case of a 4-year-old boy who had been playing on the trampoline and presented to the emergency department (ED) with vomiting and ataxia, and had a vertebral artery dissection with subsequent posterior circulation infarcts. METHODS: This study is a chart review. RESULTS: The patient presented to the emergency department with a 4-day history of vomiting and gait unsteadiness. A computed tomography scan of his head revealed multiple left cerebellar infarcts...
November 2015: Pediatric Emergency Care
https://www.readbyqxmd.com/read/25328871/isolated-vascular-vertigo
#14
REVIEW
Hyung Lee
Strokes in the distribution of the posterior circulation may present with vertigo, imbalance, and nystagmus. Although the vertigo due to a posterior circulation stroke is usually associated with other neurologic symptoms or signs, small infarcts involving the cerebellum or brainstem can develop vertigo without other localizing symptoms. Approximately 11% of the patients with an isolated cerebellar infarction present with isolated vertigo, nystagmus, and postural unsteadiness mimicking acute peripheral vestibular disorders...
September 2014: Journal of Stroke
https://www.readbyqxmd.com/read/25145891/central-ocular-motor-disorders-including-gaze-palsy-and-nystagmus
#15
REVIEW
M Strupp, O Kremmyda, C Adamczyk, N Böttcher, C Muth, C W Yip, T Bremova
An impairment of eye movements, or nystagmus, is seen in many diseases of the central nervous system, in particular those affecting the brainstem and cerebellum, as well as in those of the vestibular system. The key to diagnosis is a systematic clinical examination of the different types of eye movements, including: eye position, range of eye movements, smooth pursuit, saccades, gaze-holding function and optokinetic nystagmus, as well as testing for the different types of nystagmus (e.g., central fixation nystagmus or peripheral vestibular nystagmus)...
September 2014: Journal of Neurology
https://www.readbyqxmd.com/read/25045382/role-of-high-resolution-magnetic-resonance-imaging-in-the-diagnosis-of-primary-angiitis-of-the-central-nervous-system
#16
Hyun Jin Noh, Jin Wook Choi, Jun Pyo Kim, Gyeong Joon Moon, Oh Young Bang
BACKGROUND: Primary angiitis of the central nervous system (PACNS) is a rare disorder and is often difficult to diagnose due to the lack of a confirmatory test. PACNS can generally be diagnosed based on typical angiographic findings. We describe herein a patient diagnosed with PACNS despite the presence of normal findings on conventional angiography. CASE REPORT: A 44-year-old man with a recent history of ischemic stroke in the right posterior cerebral artery territory developed acute-onset vertigo...
July 2014: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/24658396/effect-of-repetitive-transcranial-magnetic-stimulation-over-the-cerebellum-on-patients-with-ataxia-after-posterior-circulation-stroke-a-pilot-study
#17
RANDOMIZED CONTROLLED TRIAL
Won-Seok Kim, Se Hee Jung, Min Kyun Oh, Yu Sun Min, Jong Youb Lim, Nam-Jong Paik
OBJECTIVE: To investigate the safety, feasibility and preliminary efficacy of low-frequency repetitive transcranial magnetic stimulation (rTMS) over the cerebellum in ataxic patients with acute posterior circulation stroke. DESIGN: Randomized, double-blind, sham-controlled pilot study. PATIENTS: Thirty-two ataxic patients with posterior circulation stroke were randomized to real (n = 22) and sham (n = 10) rTMS groups. METHODS: Patients received 5 15-min sessions of 1 Hz cerebellar rTMS over 5 consecutive days...
May 2014: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/24268101/motion-perception-without-nystagmus-a-novel-manifestation-of-cerebellar-stroke
#18
Aasef G Shaikh
OBJECTIVE: The motion perception and the vestibulo-ocular reflex (VOR) each serve distinct functions. The VOR keeps the gaze steady on the target of interest, whereas vestibular perception serves a number of tasks, including awareness of self-motion and orientation in space. VOR and motion perception might abide the same neurophysiological principles, but their distinct anatomical correlates were proposed. In patients with cerebellar stroke in distribution of medial division of posterior inferior cerebellar artery, we asked whether specific location of the focal lesion in vestibulocerebellum could cause impaired perception of motion but normal eye movements...
May 2014: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/24119775/functional-recovery-and-rehabilitation-of-postural-impairment-and-gait-ataxia-in-patients-with-acute-cerebellar-stroke
#19
RANDOMIZED CONTROLLED TRIAL
Uta Bultmann, Daniela Pierscianek, Elke R Gizewski, Beate Schoch, Nicole Fritsche, Dagmar Timmann, Matthias Maschke, Markus Frings
Studies about recovery from cerebellar stroke are rare. The present study assessed motor deficits in the acute phase after isolated cerebellar stroke focusing on postural impairment and gait ataxia and outlines the role of lesion site on motor outcome, the course of recovery and the effect of treadmill training. 23 patients with acute and isolated cerebellar infarction participated. Deficits were quantified by ataxia scores and dynamic posturography in the acute phase and in a follow up after 2 weeks and 3 months...
2014: Gait & Posture
https://www.readbyqxmd.com/read/24057820/vertigo-due-to-posterior-circulation-stroke
#20
REVIEW
Ji Soo Kim, Hyung Lee
Stroke in the distribution of the posterior circulation may present as acute onset spontaneous vertigo and imbalance. Although vertigo due to posterior circulation stroke is usually associated with other neurologic symptoms or signs, small infarcts in the cerebellum or brainstem can present with vertigo without other localizing symptoms. Approximately 17% of patients with isolated posterior inferior cerebellar artery territory infarction presented with isolated vertigo, nystagmus, and postural unsteadiness...
July 2013: Seminars in Neurology
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