1. Department of Neurosurgery, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
2. Department of Radiology, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China
3. Department of Pathology, The China‑Japan Union Hospital of Jilin University, Changchun, Jilin 130033, P.R. China