• Neurosurg Focus · Jan 2014

    Case Reports

    Combined petrosal approach for resection of petroclival meningioma.

    • Katsuyuki Asaoka and Shunsuke Terasaka.
    • Department of Neurosurgery, Teine Keijinkai Medical Center, and Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
    • Neurosurg Focus. 2014 Jan 1;36(1 Suppl):1.

    AbstractThe authors demonstrate a step-by-step surgical technique of the combined petrosal approach for resection of petroclival meningioma. The basic concept of this approach is the combination of the anterior- and posterior-petrosal approaches uniting the infra- and supratentorial surgical fields, thereby providing wide surgical exposure. Our techniques are featured by 1) mastoidectomy preceding craniotomy for minimal bone loss; 2) removal of the tentorium over the tumor for achieving devascularization and wide exposure; 3) water-tight dural closure by using autologous fascia graft, non-penetrating titanium clips, and multi-layered technique for avoiding postoperative cerebrospinal fluid leakage. The video can be found here: http://youtu.be/zMlNE8kMcHA .

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