Perry, A Combined oligodendroglioma/pleomorphic xanthoastrocytoma: a probable collision tumor: case report. [electronic resource] - Neurosurgery Jun 2001 - 1358-61 p. digital Publication Type: Case Reports; Journal Article ISSN: 0148-396X Standard No.: 10.1097/00006123-200106000-00038 doi Subjects--Topical Terms: AdolescentAstrocytoma--diagnosisBrain Neoplasms--diagnosisFemaleHumansMagnetic Resonance ImagingNeoplasm Recurrence, Local--radiotherapyOccipital LobeOligodendroglioma--diagnosisParietal Lobe