Journal of the Korean Society of Radiology (한국방사선학회논문지)

The Korean Society of Radiology (한국방사선학회)
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A Study of Whiter Matter Fiber Tractography in Young Internet Addiction Disorder using a Brain Diffusion Tensor Magnetic Resonance Imaging

뇌 확산텐서 자기공명영상을 이용한 청소년 인터넷 중독자의 백질 섬유로에 관한 연구

  • Goo, Eun-Hoe (Department of Radiological Science, Cheongju University)
  • 구은회 (청주대학교 방사선학과)
  • Received : 2015.12.30
  • Accepted : 2016.12.01
  • Published : 2016.01.30
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Abstract

The goal of this study is to investigate corpus callosum and both internal capsule changes with the internet addiction disorder compared to control group using MR diffusion tensor imaging. A total of 22 teenager volunteers who had 10 high-risk group with internet addiction and 12 normal control group were conducted for this study. Imaging was conducted on a 3 T using a EPI sequence. Image evaluation was analysed of the FA, ADC($10^{-3}mm^2/s$), length(mm). We did select ROI for image tracking on corpus callosum of 5 and including 2(internal capsule). The data from these ROIs were compared statistically among the groups using independent t-test, correlation coefficient. There were significant inter-group differences(p<0.05) among FA, ADC($10^{-3}mm^2/s$) and length(mm). And also significantly negative correlations were fond between FA values of corpus callosum and IAD scale(p=0.000). DTI was shown significant changes of FA and ADC, LNF values in IAD compared to control group. Therefore, our results may provided clinical information for brain wite matter functions.

3.0 T 자기공명영상기기에서 확산텐서영상을 이용하여 청소년을 대상으로 정상인과 인터넷 중독자의 뇌량과 내섬유막 구조의 변화에 대하여 정량적으로 알아보고자 하였다. 10명의 인터넷 중독자와 정상인 12명을 대상으로 검사를 하였고, 정량적 분석을 위하여 뇌량의 5부위와 내섬유막의 2부위를 View Forum 프로그램을 이용하여 두 그룹에 대한 신경섬유의 손상 정도를 FA, ADC($10^{-3}mm^2/s$), Length(mm)값으로 측정하였다. 그룹 간 통계적 유의성은 Independent t-test와 pearson 상관관계로 하였다(p<0.05). 정상인과 인터넷 중 독자에 관하여 신경섬유 손상정도는 7부위에 대하여 FA, ADC($10^{-3}mm^2/s$), Length(mm)값에 대하여 의미 있는 차이를 보였다(p<0.05). 또한 두 그룹에서 IAD scale 과 뇌량의 FA값은 음의 적으로 강하게 상관관계가 있었다(p<0.000). 결론적으로, 확산텐서영상은 FA, ADC($10^{-3}mm^2/s$), Length(mm)값에 대하여 유의성 있는 차이를 보여고, 이 결과는 뇌 백질에 대한 손상정도에 관하여 정량적으로 임상적 정보를 제공하였다.

Keywords

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