PMC9239696_01
A: Brain magnetic resonance imaging of contrast-enhanced T1-weighted image showing right sphenoid ridge meningioma. B and C: Selective angiogram of the right middle meningeal artery before and after embolization. B: Preoperative. Anterior convexity branches (white and black arrows) depict the vascular supply of the tumor. C: Postoperative. Embolization by acrylic copolymer (white arrow) and detachable coils (black arrow) succeeded in interrupting the blood supply to the tumor. D: Brain computed tomography (CT) showing right chronic subdural hematoma. E: Postoperative CT showing no subdural hematoma recurrence.
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Magnetic resonance imaging revealed a tumor with a 3-cm diameter on the right sphenoid ridge (Fig. 1A). The selective angiogram of the right MMA depicted tumor stains from the anterior convexity branch (Fig. 1B). Tokyo, Japan), platinum coils of Barricade Coil (Balt USA LLC, Irvine, California, USA), ED COIL (Kaneka Medix Corporation, Osaka, Japan), and SMART COIL (Penumbra Inc., Alameda, California, USA) (Fig. 1C). Total surgical removal of the tumor was performed 1 day after embolization. A computed tomography (CT) scan revealed a right CSDH with a 15-mm thickness and a midline shift (Fig. 1D). No hematoma has been observed to date on the follow-up CT of 3 months postoperatively (Fig. 1E).