Chinese Journal of Clinical Anatomy >
Comparative study of the sectional slice of the anterior commissure and the internal capsule with its MRI images
Received date: 2014-07-15
Online published: 2015-04-21
Objective To compare sectional anatomic features of the internal capsule and adjacent structures，the anatomical position of the relationship the anterior limb of internal capsule and the anterior commissure on the horizontal，coronal and sagittal sections with their corresponding MRI images, and to provide a reliable sectional anatomic basis for the study of the central nervous system and deep brain stimulation to treat the mental neurological diseases. Methods The brain of 100 normal persons received MRI scan and image analysis. 12 adult female brain specimens fixed by formalin, were made into serial horizontal、coronal and sagittal slices with the thickness of 500 μm by celloidin embedding techniquefor comparative studyof MRI images and morphologic features. Results The morphological characteristics of the internal capsule and adjacent structures on horizontal, coronal and sagittal sections can be described in detail. The MRI images cannot clearly identify the boundaries of the internal capsule and its adjacent structures. The anterior limb of internal capsule has fiber connections on the horizontal and coronal sections by the anterior commissure. Conclusions Sectional anatomy of brain slices can more clearly demonstrate the positional relationship between the internal capsule and adjacent structures than MRI images on the three directional sections, which can provide valuable data of clinical evaluation of internal capsule in treating mental neurological disease through deep brain stimulation.
Key words： Adult female brain; Anterior commissure; Internal capsule; ; Celloidin; MRI
WANG Chan-Chan , MA Wen-Yi , ZHANG Xiao-Yang , YUAN Wu , LI Yun-Sheng . Comparative study of the sectional slice of the anterior commissure and the internal capsule with its MRI images[J]. Chinese Journal of Clinical Anatomy, 2015 , 33(2) : 155 -159 . DOI: 10.13418/j.issn.1001-165x.2015
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