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Fig. 3 | Chinese Neurosurgical Journal

Fig. 3

From: Chinese specialist consensus on imaging diagnosis of intracranial arterial dissection

Fig. 3

Imaging of a dissecting aneurysm of the left vertebral artery. (a) 3D time of flight (TOF) magnetic resonance angiography shows focal dilation of the left vertebral artery with hyperintense signal (arrow). (b) Source TOF data show the left vertebral artery separated by a linear hypointense signal into a right posterior true lumen and a left anterior pseudolumen (arrow). (c) Magnetization-prepared rapid gradient echo (MP-RAGE) sequence showing an intramural hematoma (arrow) with a bright hyperintense signal in the pseudolumen. (d) 3D black-blood T1-weighted imaging showing an intramural hematoma (arrow) with a bright hyperintense signal

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