Figure 6.
Preoperative contrast-enhanced CT scan, showing a suspected left parietal meningioma (a). Intraoperative pictures showing the initial steps of the craniotomy (b). The bone flap was cut with piezoelectric scalpel and an angled large saw tip (OT7, Osteotomy Tips Kit, Mectron Medical Technology, Genoa, Italy) (c,d). The dura was completely preserved (e). En bloc removal of meningioma (f). Postoperative CT scan performed at six-month follow-up, showing the sharpness of the edges of the craniotomy. No osteosclerosis or bony resorption was evident (g).