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  • Title: Presurgical neuropsychological and behavioral evaluation of children with posterior fossa tumors.
    Author: Varela M, Liakopoulou M, Alexiou GA, Pitsouni D, Alevizopoulos GA.
    Journal: J Neurosurg Pediatr; 2011 Dec; 8(6):548-53. PubMed ID: 22132911.
    Abstract:
    OBJECT: Brain tumors are associated with behavioral and neuropsychological effects. Most available data are focused on the posttreatment neurological and cognitive deficits of these patients. The aim of the present study was to investigate the pretreatment neuropsychological and behavioral impairment in children with posterior fossa tumors. METHODS: The authors studied 24 children with posterior fossa tumors who were between 4 and 15 years of age, and who were surgically treated at the authors' institute. During the period prior to the tumor excision, neuropsychological and behavioral assessments were performed. A control group of age-matched children was also studied. The children's executive functions were assessed using the short form of the Wechsler Intelligence Scale for Children (WISC). For the assessment of visuospatial functions, spatial memory, and visuomotor integration skills, the Bender-Gestalt Test (BGT) was used. For assessment of the visual perception and visual memory, the authors used the Benton Visual Retention Test (BVRT). Furthermore, parents or caregivers completed the Child Behavior Checklist (CBCL). RESULTS: The WISC revealed no significant difference between patients and the control group. The CBCL revealed significant somatic concerns compared with the measure's norms. Furthermore, the patients differed in aggressiveness, somatic concerns, anxiety symptoms, internalizing of problems, and total problems. In the BGT and the BVRT results, no significant difference was observed between patients and the control group. Furthermore, no significant correlation was found between neuropsychological scores and sex, age at diagnosis, histological diagnosis, presence of hydrocephalus, degree of hydrocephalus, tumor size, and tumor location. CONCLUSIONS: Children with posterior fossa tumors suffer more frequently from somatic concerns, aggressiveness, anxiety, and internalizing disorders compared with controls. No difference was found with respect to intelligence scores.
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