• World Neurosurg · Jul 2021

    Case Reports

    Using cranial sutures in a single-step frame-guided resection and reconstruction for intra-osseous meningiomas: technical note.

    • Barros da SilvaErasmoEJrDepartment of Neurosurgery, Instituto de Neurologia de Curitiba, Curitiba, Paraná, Brazil. Electronic address: erasmo-inc@uol.com.br., Caetano da Silva Lobo, Henrique de AragãoAfonsoADepartment of Neurosurgery, Instituto de Neurologia de Curitiba, Curitiba, Paraná, Brazil., Martinelli de OliveiraRafaelREngineering Departament, BMR Medical, Campina Grande do Sul, Paraná, Brazil., Marcelo de Paula Loureiro, and Ricardo Ramina.
    • Department of Neurosurgery, Instituto de Neurologia de Curitiba, Curitiba, Paraná, Brazil. Electronic address: erasmo-inc@uol.com.br.
    • World Neurosurg. 2021 Jul 1; 151: 44-51.

    BackgroundSingle-stage surgical treatment of cranial intraosseous meningiomas includes complete tumor resection followed by aesthetic reconstruction. Tailored tumor resection with a computer-aided design/computer-aided manufacturing custom-made implant for the defect has been advocated in recent years to achieve a satisfactory cosmetic result with reduced operative time and fewer complications. However, several technical nuances related to the area of osseous removal may compromise cranioplasty.MethodsWe present 2 cases of intraosseous meningiomas (sphenoid wing and retromastoid) to illustrate a step-by-step approach, from preoperative planning to single-step surgery.ResultsFor each case, a customized frame template delimiting bone removal was designed using cranial sutures as anatomical landmarks for precise placement of the cranioplasty template over the area of interest.ConclusionsCustom templates based in cranial sutures may benefit single-step frame-guided resection and reconstruction of intraosseous tumors with compelling results.Copyright © 2021 Elsevier Inc. All rights reserved.

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