title: Disadvantages of the preoperative shunt in posterior fossa tumors.
mesh_terms: D001932:Brain Neoplasms / Q000556:secondary / Q000601:surgery*; D002543:Cerebral Hemorrhage / Q000209:etiology; D002557:Cerebrospinal Fluid Shunts / Q000009:adverse effects*; D002675:Child, Preschool; D003388:Cranial Fossa, Posterior; D004868:Equipment Failure; D006547:Hernia / Q000209:etiology; D006801:Humans; D007239:Infections / Q000209:etiology; D007902:Length of Stay; D008527:Medulloblastoma / Q000556:secondary; D011300:Preoperative Care