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Cognitive Functions in Children Treated for Medulloblastoma

소아 수모세포종 환자의 인지 기능

  • Oh, Ju-Yong (Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, Ji-Hae (Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, Binna (Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • An, Kyung-Jin (Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Sung, Ki-Woong (Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Joung, Yoo-Sook (Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • 오주용 (성균관대학교 의과대학 삼성서울병원 정신과학교실) ;
  • 김지혜 (성균관대학교 의과대학 삼성서울병원 정신과학교실) ;
  • 김빛나 (성균관대학교 의과대학 삼성서울병원 정신과학교실) ;
  • 안경진 (성균관대학교 의과대학 삼성서울병원 정신과학교실) ;
  • 성기웅 (성균관대학교 의과대학 삼성서울병원 소아청소년과학교실) ;
  • 정유숙 (성균관대학교 의과대학 삼성서울병원 정신과학교실)
  • Received : 2011.09.21
  • Accepted : 2011.11.14
  • Published : 2011.12.31

Abstract

Objectives : To investigate the cognitive functions of pediatric cancer patients and to test the hypotheses that the impairment of processing speed and working memory are more prevalent in children with medulloblastoma (MBL) compared to children with neuroblastoma (NBL). Methods : We gave the Korean version of the Wechsler Intelligent Scale for Children-III to 21 children with MBL and 24 children with NBL during outpatient follow-up after the treatment was completed. Results : Children with MBL showed below average performance across most of the sub-tests. The full scale IQ, verbal IQ, and performance IQ of children with MBL were significantly lower than those of children with NBL. There were significant differences between two groups in coding and Digit Span subtest scores. Children with MBL performed especially poorly in the coding subtest. Conclusion : These findings support previous reports of generally low IQ and the dysfunction of processing speed and working memory among children with MBL, a kind of central nervous system tumor. Further investigation is needed to determine how the deficit of processing speed and working memory affect neurocognitive development and general intelligent functions.

Keywords

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