Figure 2.
Intraoperative sagittal (a) and axial (b) US images confirmed verrucous vegetation (white triangle) and epidural fluid collection (white arrows) around the ventral dural defect (black arrow) before dural closure. Intraoperative sagittal (c) and axial (d) US images demonstrated removal of vegetation and resolution of fluid collection after dural closure. US: ultrasonography.