Document Detail

Cognitive function after radiotherapy for supratentorial low-grade glioma: a North Central Cancer Treatment Group prospective study.
MedLine Citation:
PMID:  15964709     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the effects of cranial radiotherapy (RT) on cognitive function in patients with supratentorial low-grade glioma. METHODS AND MATERIALS: Twenty adult patients with supratentorial low-grade glioma were treated with 50.4 Gy (10 patients) or 64.8 Gy (10 patients) localized RT. The patients then were evaluated with an extensive battery of psychometric tests at baseline (before RT) and at approximately 18-month intervals for as long as 5 years after completing RT. To allow patients to serve as their own controls, cognitive performance was evaluated as change in scores over time. All patients underwent at least two evaluations. RESULTS: Baseline test scores were below average compared with age-specific norms. At the second evaluation, the groups' mean test scores were higher than their initial performances on all psychometric measures, although the improvement was not statistically significant. No changes in cognitive performance were seen during the evaluation period when test scores were analyzed by age, treatment, tumor location, tumor type, or extent of resection. CONCLUSIONS: Cognitive function was stable after RT in these patients evaluated prospectively during 3 years of follow-up. Slight improvements in some cognitive areas are consistent with practice effects attributable to increased familiarity with test procedures and content.
Nadia N Laack; Paul D Brown; Robert J Ivnik; Alfred F Furth; Karla V Ballman; Julie E Hammack; Robert M Arusell; Edward G Shaw; Jan C Buckner;
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2005-06-20
Journal Detail:
Title:  International journal of radiation oncology, biology, physics     Volume:  63     ISSN:  0360-3016     ISO Abbreviation:  Int. J. Radiat. Oncol. Biol. Phys.     Publication Date:  2005 Nov 
Date Detail:
Created Date:  2005-10-28     Completed Date:  2005-12-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7603616     Medline TA:  Int J Radiat Oncol Biol Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1175-83     Citation Subset:  IM    
Division of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA.
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MeSH Terms
Analysis of Variance
Cognition / radiation effects*
Follow-Up Studies
Glioma / radiotherapy*
Neuropsychological Tests
Prospective Studies
Supratentorial Neoplasms / radiotherapy*

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