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Trigeminal Schwannomas in Middle Fossa Could Breach into Subdural Space: Report of 4 Cases and Review of Literature

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收录情况： ◇ SCIE

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机构： [1]Department of Skull Base Surgery Center, Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China

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关键词： Endoscopic endonasal approach Epidural approach Interdural approach Pial artery Trigeminal schwannomas Tumor recurrence

摘要：

Objective: The objectives of this study were to report 4 cases diagnosed with trigeminal schwannomas (TS), among whom tumor in epidural space of middle fossa broke through dura mater into subdural space, and to analyze the potential reason for recurrence of TS in middle fossa after surgical removal by endoscopic endonasal approach (EEA) or interdural approach. Methods: The information of 4 patients diagnosed with TS who were surgically treated was retrospectively analyzed and the selection of approaches, surgical strategies, and potential reason for recurrence after middle fossa TS removal by EEA and interdural approach were discussed. Results: During last 10 years, 43 patients with TS received surgical treatment at Xuan Wu Hospital of Capital Medical University, among whom 1 patient with TS extending from middle fossa to infratemporal fossa was first treated by EEA, then the tumor recurred and the patient underwent a second operation via a frontotemporal subdural approach. During the second operation, we found part of tumor had broken through the dura mater into subdural space. Moreover, this phenomenon was detected in another 3 patients with middle-posterior fossa TS. Conclusions: TS in middle fossa has been widely believed to be totally located at epidural space, whereas we found that it could occasionally breach into subdural space and accept blood supply from the pial artery. We believe this could be the potential reason for recurrence after tumor resection by EEA and interdural approach. © 2019

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出版当年[2018]版：

大类 | 3 区医学

小类 | 3 区外科 4 区临床神经病学

最新[2023]版：

大类 | 4 区医学

小类 | 4 区临床神经病学 4 区外科

JCR分区：

出版当年[2017]版：

Q2 SURGERY Q3 CLINICAL NEUROLOGY

最新[2023]版：

Q2 SURGERY Q3 CLINICAL NEUROLOGY

影响因子： 1.9 最新[2023版] 2 最新五年平均 1.924 出版当年[2017版] 2.326 出版当年五年平均 2.592 出版前一年[2016版] 1.723 出版后一年[2018版]

第一作者：

第一作者机构： [1]Department of Skull Base Surgery Center, Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China

通讯作者：

通讯机构： [1]Department of Skull Base Surgery Center, Department of Neurosurgery, XuanWu Hospital, Capital Medical University, Beijing, China

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