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Agreement between estimated computed tomography perfusion ischemic core and follow-up infarct on diffusion-weighted imaging
ConclusionsIn patients with successful reperfusion after EVT, CTP-estimated ischemic core showed moderate volumetric and spatial agreement with the follow-up infarct lesion on DWI, similar to the most used commercially available CTP software packages. Severe ischemic core overestimation was relatively uncommon.
Source: Insights into Imaging - December 13, 2022 Category: Radiology Source Type: research

Mapping the ischemic penumbra and predicting stroke progression in acute ischemic stroke: the overlooked role of susceptibility weighted imaging
ConclusionA positive DWI-SWI mismatch is an indicator of the ischemic penumbra and a predictor of infarct expansion if left untreated.
Source: Insights into Imaging - January 12, 2020 Category: Radiology Source Type: research

ASL and susceptibility-weighted imaging contribution to the management of acute ischaemic stroke
AbstractMagnetic resonance imaging (MRI) plays a central role in the early diagnosis of cerebral vascular events. Today, MRI is used not only for the detection of acute ischaemic lesions, but also to fine tune the diagnosis and improve patient selection for early therapeutic decision-making. In this perspective, new tools such as arterial spin labelling (ASL) and susceptibility-weighted imaging (SWI) sequences have been developed. These MRI sequences enable noninvasive assessment of brain damage, providing important diagnostic and prognostic information: evaluation of cerebral parenchymal perfusion; detection and aetiologi...
Source: Insights into Imaging - November 6, 2016 Category: Radiology Source Type: research