• World Neurosurg · Oct 2018

    Review Case Reports

    Endoscopic Transvestibular Transmandibular Approach for Trigeminal Schwannoma in Infratemporal Fossa and Parapharyngeal Space.

    • Haiyong He, Qintai Yang, Jin Gong, Lun Luo, Tengchao Huang, Zhuopeng Chen, Ying Guo, and Wensheng Li.
    • Department of Neurosurgery, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
    • World Neurosurg. 2018 Oct 1; 118: 172-176.

    BackgroundSchwannomas that involve the mandibular division of the trigeminal nerve and localize exclusively in the parapharyngeal space (PPS) and infratemporal fossa (ITF) are extremely rare, and a surgical approach to treat such tumors has not been well established.Case DescriptionWe present our experience in the treatment of a giant trigeminal schwannoma with wide extension in the ITF and PPS using an endoscopic transvestibular transmandibular approach. The clinical and radiologic findings, preoperative planning, advantages of the surgical approach, and clinical outcome are discussed.ConclusionsSchwannomas located in the ITF and PPS are rare benign neoplasms. They are usually detected late after considerable signs and symptoms appear. Preoperative planning is beneficial to individual surgical approach selection. Total surgical excision following careful evaluation of preoperative computed tomography and magnetic resonance images is the treatment of choice. Recurrence is rare after complete excision.Copyright © 2018 Elsevier Inc. All rights reserved.

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