• World Neurosurg · Jan 2021

    Peritumoral Brain Edema and Surgical Outcome in Secretory Meningiomas: a matched cohort analysis.

    • Megh M Trivedi, Sarah Worley, Alankrita Raghavan, Paramita Das, Pablo F Recinos, Gene H Barnett, and Varun R Kshettry.
    • Department of Neurosurgery and Rosa Ella Burkhardt Brain Tumor & Neuro-Oncology Center, Cleveland Clinic, Cleveland, Ohio, USA.
    • World Neurosurg. 2021 Jan 1; 145: e170-e176.

    ObjectiveSecretory meningioma (SM) is a rare subtype of benign meningioma reported to cause significant peritumoral brain edema (PTBE). Therefore, patients with SM may have more severe presenting symptoms and possibly increased postoperative complications. Our aim was to perform a statistically rigorous comparison of patients with SM with other nonsecretory World Health Organization grade I meningiomas and examine PTBE, postsurgical outcomes, and recurrence in a large series of cases.MethodsA retrospective review of all patients at our institution with pathologically confirmed SM between 2000 and 2017 was performed. A control group of nonsecretory grade I meningiomas was matched 1:1 according to tumor location and size. Study groups were compared on clinical characteristics and outcomes using logistic, cumulative logit, and normal linear generalized estimating equations regression models.ResultsFifty-five patients with SM met inclusion criteria and were matched with 55 control patients. After adjusting for size and location, the odds of a patient with SM having a more severe T2 edema grade were 8.9 (95% confidence interval, 3.8-21.1; P < 0.001) times higher, and the odds of any T2 edema were 6.2 (95% confidence interval, 2.2-17.6; P < 0.001) times higher. Significance remained even when adjusting for age. Postoperative complications, Simpson grade resection, neurologic outcome, and recurrence were not significantly different.ConclusionsPatients with SM have significantly greater odds of having PTBE compared with patients with nonsecretory World Health Organization grade I meningiomas of a similar size and location. Despite this situation, surgical outcome and recurrence rates are similar.Copyright © 2020 Elsevier Inc. All rights reserved.

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