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Magnetic Resonance Imaging in Ischemic Stroke and Cerebral Venous Thrombosis
Abstract: Imaging is indispensable in the evaluation of patients presenting with central nervous system emergencies. Although computed tomography (CT) is the mainstay of initial assessment and triage, magnetic resonance imaging (MRI) has become vital in expanding diagnostic capabilities, refining management strategies, and developing our understanding of disease processes. Ischemic stroke and cerebral venous thrombosis are 2 areas wherein MRI is actively revolutionizing patient care. Familiarity with the imaging manifestations of these 2 disease processes is crucial for any radiologist reading brain MR studies. In this rev...
Source: Topics in Magnetic Resonance Imaging - December 1, 2015 Category: Radiology Tags: Review Articles Source Type: research

Comparison of susceptibility-weighted and perfusion-weighted magnetic resonance imaging in the detection of penumbra in acute ischemic stroke
Conclusions DWI-SWI mismatch is a good marker for evaluating ischemic penumbra in stroke patients with cerebral infarction. SWI can detect thrombus in the affected vessels, and may be useful for guiding intra-arterial thrombolytic therapy.
Source: Journal of Neuroradiology - August 14, 2015 Category: Radiology Source Type: research

Distance to thrombus on MR angiography predicts outcome of middle cerebral artery occlusion treated with IV thrombolysis
Conclusions DT on CE-MRA is reliably measurable, correlates inversely with FLAIR-vascular hyperintensities, and predicts outcome in patients with acute MCA occlusion treated with IVT.
Source: Neuroradiology - July 11, 2015 Category: Radiology Source Type: research

Therapeutic challenges after successful thrombectomy in a patient with an antiphospholipid syndrome associated M1-occlusion: A case report.
CONCLUSION: This case report showed the feasibility of mechanical clot retrieval and stent implantation in patients with APS. Due to the elevated risk of in-stent thrombosis a prolonged therapy with glycoprotein (GP)IIb/IIIa receptor antagonists in the initial postoperative period and further anticoagulation with coumarin derivate might be needed. PMID: 26135672 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - July 4, 2015 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Cardiac Magnetic Resonance Imaging Findings Predict Major Adverse Events in Apical Hypertrophic Cardiomyopathy
Conclusions:Within our population of apical HCM patients, the extent of LGE and the presence of an apical aneurysm identified by cardiac MRI were both significant predictors of major adverse clinical events.
Source: Journal of Thoracic Imaging - October 24, 2014 Category: Radiology Tags: Original Articles Source Type: research

Timing of recanalization and outcome in ischemic-stroke patients treated with recombinant tissue plasminogen activator.
CONCLUSION: These data suggest that DR is associated with clinical deterioration. Patients treated with rtPA thrombolysis should be under close observation for 6-24 h. Corresponding treatment should be considered once DR appears. PMID: 25182802 [PubMed - as supplied by publisher]
Source: Acta Radiologica - September 2, 2014 Category: Radiology Authors: Wei XE, Zhao YW, Lu J, Li MH, Li WB, Zhou YJ, Li YH Tags: Acta Radiol Source Type: research

Basilar Artery Thrombus vs. Fenestration: A Differential Diagnostic Challenge in Acute Ischemic Stroke
We present a case of a man presenting with vertigo and nausea who was found to have multifocal infarcts in the posterior circulation on magnetic resonance imaging (MRI). An magnetic resonance angiography (MRA) demonstrated focal widening and central signal dropout in the distal vertebral artery consistent with arterial fenestration. Transcranial Doppler ultrasonography showed turbulent flow and a spike waveform suggestive of an intra‐luminal thrombus. This was confirmed by computed tomography (CT) angiography. Following the initiation of dual antiplatelet therapy, the signal abnormalities on transcranial doppler (TCD) re...
Source: Journal of Neuroimaging - November 19, 2013 Category: Radiology Authors: Paola Palazzo, Michael Ruff, Michael J. Lyerly, Andrei V. Alexandrov Tags: Case Report Source Type: research

Thunderclap headache: Diagnostic considerations and neuroimaging features
Thunderclap headache (TCH) is an acute and severe headache that has maximum intensity at onset; TCH can be primary or secondary. Primary TCH is diagnosed when no underlying cause is discovered; however, imaging is crucial in distinguishing secondary causes, which are wide-ranging. The radiologist should be aware of the list of potential diagnoses. Subarachnoid haemorrhage (SAH) is the most common cause of secondary TCH. Aneurysmal SAH accounts for the majority of cases, although other causes should also be considered and these include perimesencephalic haemorrhage, arteriovenous malformations, and dural arteriovenous fistu...
Source: Clinical Radiology - December 13, 2012 Category: Radiology Authors: A.M. Mortimer, M.D. Bradley, N.G. Stoodley, S.A. Renowden Tags: Reviews Source Type: research

Cerebral Blood and CSF Flow Patterns in Patients Diagnosed for Cerebral Venous Thrombosis - An Observational Study
Conclusions: CVT produces highly individualized pattern of disturbance in venous blood drainage. Complementary to MRI venography, PC-MRI provides non-invasive data about venous blockage consequences on CSF flow disturbances.
Source: Journal of Clinical Imaging Science - July 28, 2012 Category: Radiology Authors: Souraya ElSankariMarek CzosnykaPierre LehmannMarc-Etienne MeyerHervé DeramondOlivier Balédent Source Type: research

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