Microsurgical and tractographic anatomical study of insular and transsylvian transinsular approach |
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Authors: | Feng Wang Tao Sun XinGang Li HeChun Xia ZongZheng Li |
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Institution: | (1) Ningxia Key Laboratory of Cerebrocranial Disease, Ningxia Medical University, No. 1160 Shengli Street, Yinchuan, 750004, Ningxia, China;(2) Department of Neurosurgery, Affiliated Hospital of Ningxia Medical University, Yinchuan, China;(3) Department of Neurosurgery, Qilu Hospital of the Shandong University, Jinan, China; |
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Abstract: | This study is to define the operative anatomy of the insula with emphasis on the transsylvian transinsular approach. The anatomy
was studied in 15 brain specimens, among five were dissected by use of fiber dissection technique; diffusion tensor imaging
of 10 healthy volunteers was obtained with a 1.5-T MR system. The temporal stem consists mainly of the uncinate fasciculus,
inferior occipitofrontal fasciculus, Meyer’s loop of the optic radiation and anterior commissure. The transinsular approach
requires an incision of the inferior limiting sulcus. In this procedure, the fibers of the temporal stem can be interrupted
to various degrees. The fiber dissection technique is a very relevant and reliable method for neurosurgeons to study the details
of brain anatomic features. The DTI fiber tracking technique can identify the fiber tracts of the temporal stem. Moreover,
it will also help further functional study of human insula. |
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Keywords: | |
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