PMC9640772_01
(A) and (B) computed tomography of the head demonstrating subarachnoid hemorrhage. (C) Anterior-posterior the right internal carotid artery and (D) 3D rotational angiogram demonstrating a fusiform aneurysm of the M1 segment of the right MCA measuring 10.11 x 6.47 mm. Multiple ascuses (arrow) were visible in the inferior wall of aneurysm.
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F1
An emergency computed tomography (CT) scan of the head revealed a subarachnoid hemorrhage (Figures 1A,B). The digital subtraction angiography (DSA) and preoperative third-dimensional rotational angiogram (Figures 1C,D) were performed to demonstrate a fusiform aneurysm measuring 10.11 x 6.47 mm in the right M1 segment of the MCA.