[Intraoperative monitoring during brain surgery by B-mode ultrasonography].
D001921:Brain / Q000000981:diagnostic imaging / Q000601:surgery; D001932:Brain Neoplasms / Q000601:surgery*; D006801:Humans; D007430:Intraoperative Care; D008991:Monitoring, Physiologic; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography / Q000379:methods