Korean Journal of Radiology

  • 제11권1호
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  • Pages.25-36
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  • 2010
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  • 1229-6929(pISSN)
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  • 2005-8330(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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Gray, White Matter Concentration Changes and Their Correlation with Heterotopic Neurons in Temporal Lobe Epilepsy

  • Tae, Woo-Suk (Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Joo, Eun-Yun (Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Kim, Sung-Tae (Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine) ;
  • Hong, Seung-Bong (Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • 투고 : 2009.01.27
  • 심사 : 2009.08.27
  • 발행 : 2010.02.01
⟨ 이전 논문 다음 논문 ⟩

초록

Objective: To identify changes in gray and white matter concentrations (GMC, WMC), and their relation to heterotopic neuron numbers in mesial temporal lobe epilepsy (mTLE). Materials and Methods: The gray matter or white matter concentrations of 16 left and 15 right mTLE patients who achieved an excellent surgical outcome were compared with those of 24 healthy volunteers for the left group and with 23 healthy volunteers for the right group, by optimized voxel-based morphometry using unmodulated and modulated images. A histologic count of heterotopic neurons was obtained in the white matter of the anterior temporal lobe originating from the patients' surgical specimens. In addition, the number of heterotopic neurons were tested to determine if there was a correlation with the GMC or WMC. Results: The GMCs of the left and right mTLE groups were reduced in the ipsilateral hippocampi, bilateral thalami, precentral gyri, and in the cerebellum. The WMCs were reduced in the ipsilateral white matter of the anterior temporal lobe, bilateral parahippocampal gyri, and internal capsules, but increased in the pons and bilateral precentral gyri. The heterotopic neuron counts in the left mTLE group showed a positive correlation (r = 0.819, p < 0.0001) with GMCs and a negative correlation (r = - 0.839, p < 0.0001) with WMCs in the white matter of the anterior temporal lobe. Conclusion: The present study shows the abnormalities of the cortico-thalamo- hippocampal network including a gray matter volume reduction in the anterior frontal lobes and an abnormality of brain tissue concentration in the pontine area. Furthermore, heterotopic neuron numbers were significantly correlated with GMC or WMC in the left white matter of anterior temporal lobe.

키워드

과제정보

연구 과제 주관 기관 : Samsung Biomedical Research Institute, Korea Research Foundation

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피인용 문헌

  1. Thalamic medial dorsal nucleus atrophy in medial temporal lobe epilepsy: A VBM meta-analysis ☆ vol.2, pp.None, 2010, https://doi.org/10.1016/j.nicl.2012.11.004
  2. Meta-analysis of voxel-based morphometry studies of gray matter abnormalities in patients with mesial temporal lobe epilepsy and unilateral hippocampal sclerosis vol.12, pp.5, 2010, https://doi.org/10.1007/s11682-017-9797-5