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  • Title: Hydrocephalus in posterior fossa tumors in children. Are there factors that determine a need for permanent cerebrospinal fluid diversion?
    Author: Santos de Oliveira R, Barros Jucá CE, Valera ET, Machado HR.
    Journal: Childs Nerv Syst; 2008 Dec; 24(12):1397-403. PubMed ID: 18516610.
    Abstract:
    OBJECTIVE: We searched for factors that could predispose towards persistent hydrocephalus in children with posterior fossa (PF) tumors in order to determine the need for permanent cerebrospinal fluid (CSF) diversion. METHODS: The clinical records of 64 children who underwent surgery for PF tumors in the Pediatric Neurosurgery division of the Hospital of Clinics, Ribeirao Preto, Brazil, from 1990 to 2006, were retrospectively reviewed. The patients' ages ranged from 3 months to 18 years. The factors evaluated included age at surgery, severity of hydrocephalus (ventricular index), tumor location, size of the tumor, extent of tumor resection, and histology. RESULTS: Ventricular index, measured from the initial neuroradiological image, age at surgery, and location of the tumor were significantly associated with definitive postoperative CSF diversion (shunt or endoscopic third ventriculostomy), which was necessary for 34% of the patients. CONCLUSIONS: Young children with severe preoperative hydrocephalus and a midline tumor should be considered at risk when preoperative treatment decisions are made.
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