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. 2022 May 26;10(15):4917–4922. doi: 10.12998/wjcc.v10.i15.4917

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©The Author(s) 2022. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/

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Axial computed tomography scans, postoperative computed tomography angiography and histopathology. A and B: Tight temporal hemorrhage on the day of admission; C and D: Hematoma is completely cleared on the 1st d after the operation; E and F: Histopathology (E and F, hematoxylin and eosin stain), original × 40 magnification. Dashed arrows indicate vascular malformations with an uneven thickness of the blood vessel wall and varying size of the blood vessel cavity. Solid arrows indicate many red cells in the blood; G and H: Computed tomography angiography showing normal cerebrovascular after the operation.