Advances in Multidisciplinary Management of Skull Base Meningiomas

Tamara Ius, Alessandro Tel, Giuseppe Minniti, Teresa Somma, Domenico Solari, Michele Longhi, Pasquale De Bonis, Alba Scerrati, Mario Caccese, Valeria Barresi, Alba Fiorentino, Leonardo Gorgoglione, Giuseppe Lombardi, Massimo Robiony

Research output: Contribution to journalReview articlepeer-review

Abstract

The surgical management of Skull Base Meningiomas (SBMs) has radically changed over the last two decades. Extensive surgery for patients with SBMs represents the mainstream treatment; however, it is often challenging due to narrow surgical corridors and proximity to critical neurovascular structures. Novel surgical technologies, including three-dimensional (3D) preoperative imaging, neuromonitoring, and surgical instruments, have gradually facilitated the surgical resectability of SBMs, reducing postoperative morbidity. Total removal is not always feasible considering a risky tumor location and invasion of surrounding structures and brain parenchyma. In recent years, the use of primary or adjuvant stereotactic radiosurgery (SRS) has progressively increased due to its safety and efficacy in the control of grade I and II meningiomas, especially for small to moderate size lesions. Patients with WHO grade SBMs receiving subtotal surgery can be monitored over time with surveillance imaging. Postoperative management remains highly controversial for grade II meningiomas, and depends on the presence of residual disease, with optional upfront adjuvant radiation therapy or close surveillance imaging in cases with total resection. Adjuvant radiation is strongly recommended in patients with grade III tumors. Although the currently available chemotherapy or targeted therapies available have a low efficacy, the molecular profiling of SBMs has shown genetic alterations that could be potentially targeted with novel tailored treatments. This multidisciplinary review provides an update on the advances in surgical technology, postoperative management and molecular profile of SBMs.

Original languageEnglish
JournalCancers
Volume13
Issue number11
DOIs
Publication statusPublished - May 28 2021

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