Methods Combined with preoperative image data,B-mode ultrasound probe was used to detect brain lesion after craniotomy,and to analyze resection degree.

• 方法常规开颅后在硬膜外和硬膜下应用B超,结合术前资料,进行病灶的实时定位,帮助选择皮层切口和手术路径,并用B超判定病灶切除程度。