• World Neurosurg · May 2022

    Review

    Extent of Resection Research in Skull Base Neurosurgery: Previous Studies and Future Directions.

    • Todd Hollon, Vance Fredrickson, and William T Couldwell.
    • Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan, USA.
    • World Neurosurg. 2022 May 1; 161: 396-404.

    AbstractSurgery is the first-line therapy for most benign and malignant skull base tumors. Extent of resection (EOR) is a metric commonly used for preoperative surgical planning and to predict risk of postoperative tumor recurrence. Therefore, understanding the evidence on EOR in skull base neurosurgery is essential to providing optimal care for each patient. Several studies from the skull base neurosurgery literature have presented investigations of various topics related to EOR, including 1) preoperative EOR scoring systems, 2) intraoperative EOR scoring systems, 3) EOR and tumor recurrence, and 4) EOR and functional outcomes. We propose that future investigations should focus on the following elements to improve EOR research in skull base neurosurgery: 1) multi-institutional collaboratives with treatment propensity matching; 2) expert consensus and mixed-methods study design; and 3) predictive analytics/machine learning. We believe that these methods offer several advantages that have been described in the literature and that they address limitations of previous studies. The aim of this review was to inform future study design and improve the overall quality of subsequent investigations on EOR in skull base neurosurgery.Copyright © 2021 Elsevier Inc. All rights reserved.

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