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Fig. 1 | BMC Neurology

Fig. 1

From: A rare case of a completely thrombosed bilobed giant intracranial aneurysm of the anterior cerebral artery with spontaneous parent vessel thrombosis: case report

Fig. 1

Preoperative imaging. Preoperative imaging showing in the cranial MRI a bilobed and bihemispheric huge mass (54 and 40 mm in diameter) of both frontal lobes with a crescent shaped hyperintensity of the lesion wall in the T1-weighted frame (a, b), without rim enhancement of the lesion wall or intraluminal flow void after administration of Gadolinium (c) and with perifocal edema in the T2-weighted frame (d). Non-enhanced cranial CT demonstrated a partially hyperdense mass lesion with partial peripheral and intralesional calcifications as well as intramural hemorrhage and slight perifocal edema (e), but without contrast enhancing ring after contrast administration (f). TOF-MRI (g) showed the right ACA at the lateral wall of the lesion (white arrow). TWIST-MRI (h) demonstrated neither contrast enhancement nor intraluminal filling of both masses. MRI: Magnetic resonance imaging, CT: Computed tomography, TOF: Time-of-flight, ACA: Anterior cerebral artery, TWIST-MRI: Time-resolved angiography with interleaved stochastic trajectories MRI

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BMC Neurology

ISSN: 1471-2377

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