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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

Measurement of Length of Hyperdense MCA Sign in Acute Ischemic Stroke Predicts Disappearance after IV tPA
CONCLUSIONHMCAS length >10 mm infrequently disappears with IV tPA suggesting a potential need for ancillary therapy in this group.
Source: Journal of Neuroimaging - January 14, 2013 Category: Radiology Authors: Nandavar Shobha, Simerpreet Bal, Matthew Boyko, Eric Kroshus, Bijoy K. Menon, Rohit Bhatia, Sung‐Il Sohn, Gopukumar Kumarpillai, Jayme Kosior, Michael D. Hill, Andrew M. Demchuk Tags: Clinical Investigative Study Source Type: research