PMC5820864_01
Noncontrast computed tomography and magnetic resonance imaging of the brain demonstrating a large subdural hematoma (arrow in images) (a-c) along with a separate collection 3.7 cm in width along the left sphenoid wing of the lateral ventricle, (star in images) (a-c) consistent with an arachnoid cyst with intracystic blood and surrounding subdural hematoma. (d) Postoperative computed tomography demonstrating interval improvement in midline shift following the evacuation of the hematoma. (e) Intraoperatively, a middle cranial fossa arachnoid cyst with significant hemorrhage and a small hole (arrow) communicating with the subdural space were visualized
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Magnetic resonance imaging (MRI) demonstrated a separate collection along the left sphenoid wing of the lateral ventricle, consistent with an AC with intracystic blood and surrounding SDH [Figure 1]. A middle cranial fossa AC with significant hemorrhage and a small hole communicating with the subdural space was visualized. [Figure 1]. Postoperative CT demonstrated interval improvement in midline shift following the evacuation of the hematoma [Figure 1].