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Condition: Thrombosis
Procedure: MRI Scan

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Total 457 results found since Jan 2013.

Cerebral Venous Sinus Thrombosis Incidence Is Higher Than Previously Thought: A Retrospective Population-Based Study Clinical Sciences
Conclusions— Cerebral venous sinus thrombosis in our study was more common than previously reported, perhaps because of more complete ascertainment. Future CVT incidence studies should include comprehensive capture and review of neuroimaging.
Source: Stroke - August 21, 2016 Category: Neurology Authors: Devasagayam, S., Wyatt, B., Leyden, J., Kleinig, T. Tags: Epidemiology, Computerized Tomography (CT), Magnetic Resonance Imaging (MRI), Cerebrovascular Disease/Stroke, Thrombosis Clinical Sciences Source Type: research

Thrombosed Aneurysm of the Posterior Inferior Cerebellar Artery and Lateral Medullary Ischemia as the Initial Presentation of Polyarteritis Nodosa: Case Report and Literature Review
A 27-year-old woman with a previously undiagnosed polyarteritis nodosa (PAN) developed lateral medullary stroke related to a thrombosed posterior inferior cerebellar artery (PICA)-origin aneurysm. A concurrent thrombosis of the PICA was identified on high-resolution 3-dimensional CUBE T1 magnetic resonance imaging sequence at 3 T. Body computed tomography angiography, magnetic resonance imaging–magnetic resonance angiography, and digital angiography revealed multiple tiny aneurysms of the visceral arteries and bilateral kidney infarcts.
Source: Journal of Stroke and Cerebrovascular Diseases - March 27, 2018 Category: Neurology Authors: Monique Boukobza, Antoine Dossier, Jean-Pierre Laissy Tags: Case Studies Source Type: research

Varicella-Associated Stroke
A previously healthy, unimmunized 11-month-old boy presented with acute right-sided weakness. On the day of presentation, his mother noted that his right arm and leg seemed to be weak when she woke him from his usual afternoon nap. Evaluation at an urgent care center confirmed right-sided facial weakness, decreased strength and movement of his right upper and lower extremities, and a lack of right-sided support in a sitting position. Computed tomography of the head without contrast was normal. He was transferred to a regional care center where head magnetic resonance imaging and magnetic resonance angiography demonstrated ...
Source: The Journal of Pediatrics - April 19, 2018 Category: Pediatrics Authors: Surabhi B. Vora, Catherine Amlie-Lefond, Francisco A. Perez, Ann J. Melvin Tags: Insights and Images Source Type: research

Ischemic stroke following a wasp sting – a rare complication: a case report
ConclusionTreating physicians should be aware of the rare but possible complication of ischemic stroke following a case of wasp sting.
Source: Journal of Medical Case Reports - October 14, 2018 Category: General Medicine Source Type: research

MRI-Based Predictors of Hemorrhagic Transformation in Patients With Stroke Treated by Intravenous Thrombolysis
Clinical and biological risk factors for hemorrhagic transformation (HT) after intravenous thrombolysis (IT) have been well established in several registries. The added value of magnetic resonance imaging (MRI) variables has been studied in small samples, and is controversial. We aimed to assess the added value of MRI variables in HT, beyond that of clinical and biological factors. We enrolled 474 consecutive patients with brain infarction treated by IT alone at our primary stroke center between January 2011 and August 2017. Baseline demographic, clinical, biological, and imaging characteristics were collected. MRI variab...
Source: Frontiers in Neurology - August 26, 2019 Category: Neurology Source Type: research

Racial Disparities in Magnetic Resonance Imaging and Perfusion-Diffusion Mismatch
The central concept of mismatch between perfusion and diffusion targets identified by magnetic resonance imaging offers an approximation of the tissue at risk of infarction if reperfusion is not achieved. This measure is becoming increasingly relevant in determining eligibility for and prognosis following thrombolytic and endovascular treatments, particularly at extended time windows. A few studies have shown that Black stroke patients are more likely to suffer small-vessel ischemic strokes and fewer cardioembolic strokes occluding large vessels.
Source: Journal of Stroke and Cerebrovascular Diseases - April 16, 2020 Category: Neurology Authors: Benjamin Taylor King Tags: Poster 03 Source Type: research

A Novel Mouse Model for Cerebral Venous Sinus Thrombosis
This study is aimed at developing a novel murine model suitable and relevant for evaluating injury patterns during CVST and studying its clinical aspects. CVST was achieved in C57BL/6J mice by autologous clot injection into the superior sagittal sinus (SSS) combined with bilateral ligation of external jugular veins. Clot was preparedex vivo using thrombin before injection. On days 1 and 7 after CVST, SSS occlusion and associated-parenchymal lesions were monitored using different modalities:in vivo real-time intravital microscopy, magnetic resonance imaging (MRI), and immuno-histology. In addition, mice were subjected to a ...
Source: Translational Stroke Research - March 5, 2021 Category: Neurology Source Type: research

Thrombocytopenia with acute ischemic stroke and bleeding in a patient newly vaccinated with an adenoviral vector-based COVID-19 vaccine
We describe the first Danish case of presumed inflammatory and thrombotic response to vaccination with an adenoviral (ChAdOx1) vector based COVID-19 vaccine (AZD1222). The case describes a 60-year old woman, who was admitted with intractable abdominal pain seven days after receiving the vaccine. Computer Tomography (CT) of the abdomen revealed bilateral adrenal hemorrhages. On the following day she developed a massive right sided ischemic stroke and Magnetic Resonance Imaging (MRI) angiography showed occlusion of the right internal carotid artery. The ischemic area was deemed too large to offer reperfusion therapy. During ...
Source: Thrombosis and Haemostasis - April 20, 2021 Category: Hematology Authors: Rolf Ankerlund Blauenfeldt S øren Risom Kristensen Siw Leiknes Ernstsen Claudia Christina Hilt Kristensen Claus Ziegler Simonsen Anne-Mette Hvas Source Type: research

Questions on Predicting Early Neurological Deterioration in Patients With Minor Stroke and Large-Vessel Occlusion —Reply
In Reply We thank Ospel and colleagues for their thoughtful comments on our article showing that more proximal occlusion and greater thrombus length predict early neurological deterioration of ischemic origin (ENDi) in patients with acute minor ischemic stroke with large-vessel occlusion treated with intravenous thrombolysis, with implications regarding how to best manage these patients. Although the precise pathophysiological links between more proximal occlusion, a longer thrombus, and ENDi are uncertain, we fully agree that a leading hypothesis is in situ thrombus extension leading to secondary hemodynamic compromise vi...
Source: JAMA Neurology - July 6, 2021 Category: Neurology Source Type: research

Cardioembolic Stroke Due to Cardiac Sarcoidosis Diagnosed by Pathological Evaluation of the Retrieved Thrombus
Intern Med. 2021 Oct 26. doi: 10.2169/internalmedicine.7963-21. Online ahead of print.ABSTRACTA 70-year-old woman undergoing glucocorticoid therapy for cardiac sarcoidosis was brought to our hospital with the sudden onset of right hemiplegia and aphasia. Brain magnetic resonance imaging showed a high diffusion-weighted imaging signal in the left frontotemporal lobe and disruption of blood flow in the M1 segment of the left middle cerebral artery. Hence, she underwent thrombolysis and mechanical thrombectomy, resulting in marked improvement in her neurological symptoms. A pathologic evaluation of the thrombus suggested its ...
Source: Internal Medicine - October 28, 2021 Category: Internal Medicine Authors: Shogo Minomo Masahiko Ichijo Yohei Sato Ryoichi Miyazaki Takeshi Amino Tomoyuki Kamata Source Type: research

High Mean Platelet Volume Is Associated with Cerebral White Matter Hyperintensities in Non-Stroke Individuals
CONCLUSION: We found that high MPV level is independently associated with cerebral WMH. This result suggests that platelet activation plays a role in the development of cerebral WMH.PMID:36579377 | DOI:10.3349/ymj.2022.0368
Source: Yonsei Medical Journal - December 29, 2022 Category: Universities & Medical Training Authors: Jung-Won Choi Kee Ook Lee Ye-Ji Jang Hyun-Kyung Kim Taeho Seo Yoo Jeong Roh Seung-Ook Choo Seung-Hun Oh Source Type: research

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