期刊
PEDIATRIC BLOOD & CANCER
卷 62, 期 6, 页码 1027-1034出版社
WILEY
DOI: 10.1002/pbc.25386
关键词
cancer; cerebral cortex; chemotherapy; executive function; late effects; MRI
资金
- Norwegian ExtraFoundation for Health and Rehabilitation
- Research Council of Norway
- Department of Psychology, University of Oslo
BackgroundAdvances in the treatment of acute lymphoblastic leukemia (ALL) have led to great improvements in survival rates and outcomes, but there is concern about cognitive late effects. We aimed to determine whether ALL survivors have smaller cortical surface area and/or thickness, and test whether this is related to disease and treatment variables and self-reported executive functioning in everyday life. ProcedureMagnetic resonance imaging (MRI) scans from 130 adult long-term survivors of childhood ALL (age: 18-46 years; age at diagnosis: 0-16 years; years since diagnosis: 7-40) and 130 healthy controls were assessed to estimate and compare regional cortical surface area and thickness. Information on disease and treatment factors were obtained from patients' records, and executive functioning in survivors was measured using a validated questionnaire (BRIEF-A). ResultsSmaller cortical surface area was observed in several regions in both cerebral hemispheres in ALL survivors. In these regions, mean surface area was 4.1-5.5% smaller in ALL survivors compared to healthy controls. In contrast, only one region showed lower cortical thickness in ALL survivors. There were no significant associations between cortical surface area/thickness in these regions and disease or treatment variables. In ALL survivors, smaller surface area in prefrontal regions, encompassing parts of the superior frontal gyri and the left anterior cingulate cortex, was associated with problems in executive functioning, specifically with emotional control and self-monitoring. ConclusionsALL survivors had smaller surface area in several cortical regions and smaller surface area in prefrontal regions was associated with reported problems in executive functioning. Pediatr Blood Cancer 2015;62:1027-1034. (c) 2015 The Authors. Pediatric Blood & Cancer published by Wiley Periodicals, Inc.
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