• Giuseppe Mariniello, Oreste de Divitiis, Sergio Corvino, Diego Strianese, Adriana Iuliano, Giulio Bonavolontà, and Francesco Maiuri.
• Neurosurgical Clinic, Department of Neurosciences, Reproductive and Odontostomatological Sciences, School of Medicine, "Federico II" University of Naples, Italy.
• World Neurosurg. 2022 May 1; 161: e514-e522.

BackgroundThe extent of resection constitutes one of the most important predictive risk factors of recurrence for spheno-orbital meningiomas; although gross total resection represents the gold standard, it is not always achievable, with a consequent high rate of recurrence. Management of these tumors is a surgical challenge and is represented by maximal safe resection with preservation of function. The aim of the present study is to discuss the risk factors for recurrence and the best management of the recurrent tumors.MethodsEighty patients operated on for spheno-orbital meningiomas were retrospectively reviewed. Two groups were identified: group 1 comprised 30 patients (37.5%) who experienced recurrence and group 2 comprised 50 patients with no recurrence from 5 to 28 years after the initial surgery. The analyzed factors in both groups include the involvement of the skull base structures, the extent of resection, and World Health Organization grade. In the recurrence group, the pattern of tumor regrowth, the entity of resection, and the management were also analyzed.ResultsThe invasion of the whole orbit, the involvement of the orbital apex, superior orbital fissure, infratemporal fossa, and sphenoidal-ethmoidal sinuses, and World Health Organization grade II are risk factors of recurrence. All 30 patients with recurrence underwent reoperation, 9 of whom had 2 or 3 reoperations. Overall, 70 of the 80 patients (88%) had tumor control and no progression after one or more reoperations.ConclusionsWe suggest re-surgery for spheno-orbital meningioma recurrences to prevent worsening of visual function and proptosis. Because of their slow natural course, even multiple reoperations may be performed, resulting in long overall survival with stable symptoms and good quality of life.Published by Elsevier Inc.

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