Journal of neurosurgical sciences · 2025
Radiosurgical management of pathology-proven low-grade glioma: a systematic review across the pre- and post-molecular classification era.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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Mizutani Yuka, Hori Yusuke S, Harary Paul M, Annagiri Shreyas, Jain Ruchit, Liu Justin, Izhar Muhammad, Reesh Deyaaldeen A, Lam Fred C, Emrich Sara C, Ustrzynski Louisa, Tayag Armine, Park David J, Chang Steven D
Аннотация
INTRODUCTION: Low-grade gliomas (LGGs) are slow-growing heterogeneous tumors that remain challenging when complete resection is not feasible. While maximal safe resection remains standard, the evolving World Health Organization (WHO) classification emphasizing molecular characteristics has shifted perspectives on adjuvant therapies. In this context, the role of stereotactic radiosurgery (SRS) continues to be explored. This systematic review synthesizes literature on radiosurgical management of pathology-proven LGGs across pre- and post-molecular classification eras.
EVIDENCE ACQUISITION: A systematic review was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses. PubMed, Scopus, and Web of Science were searched in August 2024 for studies on pathology-proven LGGs treated with SRS. An additional search was performed to incorporate studies reporting molecular characteristics.
EVIDENCE SYNTHESIS: Of the initially included eight studies, none reported molecular characteristics required by the 2021 World Health Organization classification, and an additional search identified one study reporting molecular characteristics, which was added to the review. Nine studies with 308 patients were included. Local control rates ranged from 66% to 94%. Several studies reported superior outcomes with surgery for recurrence, adjuvant rather than salvage SRS, and no prior radiotherapy. Adverse events were predominantly mild to moderate, including headache, dizziness, nausea, and transient neurological symptoms.
CONCLUSIONS: SRS offers a non-invasive management option for selected LGGs with durable control and acceptable safety. Prognosis appears to be influenced by treatment history, including prior radiotherapy and surgical management. Lack of molecular stratification highlights the need for studies focused on IDH (isocitrate dehydrogenase)-mutant LGGs to clarify the role of SRS in the molecular era.
EVIDENCE ACQUISITION: A systematic review was conducted following Preferred Reporting Items for Systematic Reviews and Meta-Analyses. PubMed, Scopus, and Web of Science were searched in August 2024 for studies on pathology-proven LGGs treated with SRS. An additional search was performed to incorporate studies reporting molecular characteristics.
EVIDENCE SYNTHESIS: Of the initially included eight studies, none reported molecular characteristics required by the 2021 World Health Organization classification, and an additional search identified one study reporting molecular characteristics, which was added to the review. Nine studies with 308 patients were included. Local control rates ranged from 66% to 94%. Several studies reported superior outcomes with surgery for recurrence, adjuvant rather than salvage SRS, and no prior radiotherapy. Adverse events were predominantly mild to moderate, including headache, dizziness, nausea, and transient neurological symptoms.
CONCLUSIONS: SRS offers a non-invasive management option for selected LGGs with durable control and acceptable safety. Prognosis appears to be influenced by treatment history, including prior radiotherapy and surgical management. Lack of molecular stratification highlights the need for studies focused on IDH (isocitrate dehydrogenase)-mutant LGGs to clarify the role of SRS in the molecular era.