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Preoperative Simulation of Endoscopic Endonasal Approach for Craniopharyngiomas or Tuberculum Sellae Meningiomas Hiroyoshi AKUTSU 1 , Takeshi HONGO 1 1Department of Neurosurgery, Dokkyo Medical University Keyword: 経鼻内視鏡手術 , 頭蓋咽頭腫 , 鞍結節部髄膜腫 , endoscopic endonasal approach , craniopharyngioma , tuberculum sellae meningioma pp.347-357
Published Date 2024/3/10
DOI https://doi.org/10.11477/mf.1436204919
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 Preoperative simulation for endoscopic endonasal approach(EEA)using computed tomography and magnetic resonance imaging evaluates tumor extension and the relationship between adjacent structure(the pituitary stalk, major vessels, and cranial nerves); therefore, preoperative planning of nasal procedure, skull base bony removal, and cranial base reconstruction are possible. Additionally, three-dimensional(3D)fusion image aids surgeons to visualize intraoperative 3D findings. These preoperative simulations are critical to avoid complications and predict pitfalls perioperatively. However, tumor consistency or adhesion with adjacent structure cannot be predicted but is judged perioperatively, which affects the extent of tumor resection. This manuscript describes important points of preoperative simulation for EEA, especially the transplanum-transtuberculum approach for craniopharyngiomas or tuberculum sellae meningiomas, showing some examples in patients.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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