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Hwang, Kwak, Lee, Jin, Han, and Chung: Three-Dimensional Brain Surface Rendering Imaging of Cortical Dysplasia
Original Article
Journal of the Korean Society of Magnetic Resonance in Medicine

Journal of the Korean Society of Magnetic Resonance in Medicine 2010; 14(2): 126-133.

Published online: 31 December 2010

DOI: https://doi.org/10.13104/jksmrm.2010.14.2.126

Three-Dimensional Brain Surface Rendering Imaging of Cortical Dysplasia

Seung Bae Hwang, Hyo Sung Kwak, Sang Yong Lee, Gong Yong Jin, Young Min Han, Gyung Ho Chung

Department of Radiology, Chonbuk National University Medical School Jeonju, Jeonbuk, Korea.

Address reprint requests to: Gyung Ho Chung, M.D., Department of Radiology, Chonbuk National University Medical School, 638-18, Keumam-dong, Deokjin-gu, Jeonju, Jeonbuk 561-712, Korea. Tel. 82-63-250-1177, Fax. 82-63-272-0481, chunggh@chonbuk.ac.kr

Received 13 August 2010       Revised 20 September 2010       Accepted 17 November 2010

Copyright © 2010 Korean Society of Magnetic Resonance in Medicine

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

The study was to evaluate the localization of the abnormal gyral and sulcal patterns obtained by means of brain surface rendering imaging.

Materials and Methods

Nineteen patients with cortical dysplasia who underwent brain surface rendering MR imaging were included in this study. We acquired MP-RAGE sequence and created the 3-D surface rendering MR images by using VoxelPlus®. Anatomical locations and configurations of abnormal gyri and sulci were reviewed.

Results

Abnormal gyral and sulcal patterns were seen 18 in 19 patients. The configuration and orientation of affected gyri and sulci were clearly evaluated in the brain surface rendering images. In a lissencephaly, the a cortex was not delineated and showed markedly thick and smooth gyral pattern. In a schizencephaly, there were wheel shaped broad gyral pattern around the cleft. In a hemimegalencephaly, an affected hemisphere were enlarged and displayed thick and wide gyral pattern. In CBPS, the insular cortex was exposed and the gyri of the lesion were thickened. In focal cortical dysplasia, there were irregular serrated or thick and enlarged gyri.

Conclusion

Brain surface rendering MR imaging is useful for the evaluation of a detailed gyral pattern and accurate involvement site of abnormal gyri.

Keywords: Brain, Magnetic resonance (MR), Cortical dysplasia, Surface rendering

Figures and Tables

Fig. 1
Focal cortical dysplasia. Axial and coronal MP RAGE T1 weighted images show the cortical dysplasia in right frontoparietal area(a). 3D surface rendering images show an enlarged right frontoparietal gyri. The involved gyri show irregular serrated surface in right superior and inferior frontal, parietal lobes. The abnormal gyral patterns of involved gyri are clearly delineated from surrounding normal gyri in right cerebral hemisphere arrows (b).
jksmrm-14-126-g001
Fig. 2
Lissencephaly. 3D surface rendering images show scant sulcation with a thick and smooth gyral pattern in both frontoparietal cortex.
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Fig. 3
Schizencephaly. 3D surface rendering images show open-lip schizencephalic defect in right-side and closed-lip defect in left-side lined by pachygyria. There are central cleft with radiating thickened gyri of right frontoparietal lobes.
jksmrm-14-126-g003
Fig. 4
Hemimegalencephaly. 3D surface rendering images show an enlarged right cerebral hemisphere with thickened gyri in right superior frontal, parietal and occipital lobes.
jksmrm-14-126-g004
Fig. 5
Congenital bilateral perisylvian syndrome. The characteristic 3D surface rendering images show opened both sylvian fissure. The exposed insular cortex consists of the irregular thickened gyral pattern. Both temporal lobes consists of vertically oriented gyri.
jksmrm-14-126-g005
Fig. 6
Double cortex syndrome. Areas which are clearly shown are: precentral gyrus, postcentral gyrus, superior parietal lobules, precentral sulcus, central sulcus. There are normal findings of brain sulcal and gyral pattern.
jksmrm-14-126-g006

Notes

This paper was supported by funds from Chonbuk National University Hospital Research Institute.

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