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Fig. 1 | Neurological Research and Practice

Fig. 1

From: Bilateral non-bifurcating carotid arteries in a patient with recurrent cerebrovascular events

Fig. 1

Brain MRI/MRA of a patient with recurrent cerebrovascular events. Axial brain MRI with fluid-attenuated inversion recovery (FLAIR) sequence showing an hyperintense lesion in the distribution of the left middle cerebral artery (a) without demonstrating restricted diffusion in the diffusion-weighted imaging sequences (b), compatible with the patient’s history of prior ischemic strokes. No new lesions were identified on the diffusion weighted imaging sequence of brain MRI confirming the diagnosis of a transient ischemic attack. Large intracranial vessels appeared normal on brain MRA (c). Anastomosis between the left ophthalmic artery and left middle meningeal artery was identified on thin Maximum Intensity Projection (MIP) MRA (circle; d). Meningeal branches in the area of craniocervical junction were dilated (circle; e). Significant dilatation of the branches of the internal carotid artery in the pterygoid canal was also visualized (circle; f)

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