Affiliation: | 1. Department of Radiology, Taipei, Taiwan, R.O.C.;2. Division of Neurosurgery, Taipei, Taiwan, R.O.C.;3. Department of Pathology, Kaohsiung Veterans General Hospital, Kaohsiung, Taipei, Taiwan, R.O.C.;4. National Yang-Ming University School of Medicine, Taipei, Taiwan, R.O.C. |