Fig. 1

The flowchart of enrollment and follow-up. Initially, 39 patients were identified according to postoperative pathology results of SFT/HPC. Then, two patients were excluded for incomplete information and one for the extracranial lesion. Three patients lost response before the last follow-up for QoL. Moreover, eight patients had been dead before the last follow-up. Two patients did not respond to the investigation of QoL at the last follow-up