Fig. 1

Preoperative axial computed tomography showing an acute subdural hematoma extending to the right fronto-temporo-parietal area (a, arrows) and a round-shaped, high-density mass on the right parietal convexity (b, arrow).
Preoperative axial computed tomography showing an acute subdural hematoma extending to the right fronto-temporo-parietal area (a, arrows) and a round-shaped, high-density mass on the right parietal convexity (b, arrow).