Two exceptional phenomena in an anaplastic oligo-astrocytoma

M.C.J. Hanse, J.H. Franssen, H.P. Sleeboom, C.F.E. Hoffmann and W. Taal Neuro-Oncology Unit, Daniel den Hoed Oncology Center Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Neurology Catharina Ziekenhuis, Eindhoven, The Netherlands; Department of Radiotherapy Haga Ziekenhuis, The Hague, The Netherlands; Department of Medical Oncology Haga Ziekenhuis, The Hague, The Netherlands; Department of Neurosurgery Haga Ziekenhuis, The Hague, The Netherlands