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Mar 2, 2025 · Aging ischemic strokes can be important in a number of clinical and medicolegal settings. Both CT and MRI can help in determining when a stroke occurred as imaging …

Apr 26, 2023 · A stroke is a sudden onset focal neurological deficit of presumed vascular origin, generally divided into ischemic and hemorrhagic types.

Aug 19, 2023 · MRI protocol for stroke assessment is a group of MRI sequences put together to best approach brain ischemia. CT is still the choice as the first imaging modality in acute …

Feb 27, 2025 · Appearances of MRI are as expected for an ischemic stroke, demonstrating restricted diffusion on DWI / ADC sequences. Sequences susceptible to signal drop out due to …

Jan 11, 2025 · Hemorrhage on MRI has highly variable imaging characteristics that depend on: the age of the blood the type of hemoglobin present: oxy-, deoxy- or met- whether or not the …

Jun 28, 2024 · MRI In the acute stage, cerebellar infarcts are first seen as hyperintense areas on DWI because of cytotoxic edema with restricted diffusion, after which they soon become …

May 1, 2024 · Brainstem stroke syndromes, also known as crossed brainstem syndromes, refer to a group of syndromes that occur secondary to lesions, most commonly infarcts, of the …

May 24, 2022 · Diffusion-negative acute ischemic stroke refers to a clinically diagnosed acute ischemic stroke without cerebral restricted diffusion on DWI on brain MRI. Although DWI is …

MRI features of hyperacute ischemic stroke are classically depicted in this patient. Low signal intensity on ADC, hyperintensity on DWI, high signal on T2/FLAIR and isointense signal on …