title: Intratumoral hemorrhage in posterior fossa tumors after ventricular drainage. Report of two cases.
abstract: Severe intratumoral hemorrhage in posterior fossa tumors is reported in two children, one with a Grade I astrocytoma, and the other with a medulloblastoma. Fatal bleeding occurred a few hours after insertion of ventricular drainage for preoperative management of obstructive hydrocephalus.
mesh_terms: D001254:Astrocytoma / Q000150:complications / Q000601:surgery*; D002528:Cerebellar Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D002543:Cerebral Hemorrhage / Q000209:etiology*; D002648:Child; D004322:Drainage / Q000009:adverse effects; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000150:complications / Q000601:surgery; D008297:Male; D008527:Medulloblastoma / Q000150:complications / Q000601:surgery*; D014057:Tomography, X-Ray Computed