ArticleJournal of Korean medical science2025
Radiation-Induced Meningiomas Have an Aggressive Clinical Course: Genetic Signature Is Limited to
Article in Journal of Korean medical science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Radiation-induced cranial meningiomas are associated with earlier relapse: a propensity score-matched cohort study.Journal of neuro-oncology · 2026Article
- GSK-J4 Suppresses Tumorigenesis by Targeting the PERK-c-Myc Pathway Through Endoplasmic Reticulum Stress Activation in Tuberous Sclerosis Complex.International journal of molecular sciences · 2026Article
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10 authors.
Funding
Abstract
backgroundWhile the clinical course of radiation-induced meningioma (RIM) is considered to be more aggressive than that of sporadic meningioma (SM), the genetic predisposition for RIM is not established well. The present study aimed to analyze the clinical and genetic characteristics of RIMs to increase understanding of the tumorigenesis and prognosis of RIMs.
methodsWe investigated a database of 24 patients who met the RIM criteria between January 2000 and April 2023. Genetic analysis through next-generation sequencing with a targeted gene panel was performed on 10 RIM samples. Clinical, radiological, and pathological parameters were evaluated with genetic analyses.
resultsThe median ages for receiving radiotherapy (RT) and RIM diagnosis were 8.0 and 27.5 years, respectively, with an interval of 17.5 years between RT and RIM diagnosis. RIMs tended to develop in non-skull bases and multifocal locations. Most primary pathologies included germ cell tumors and medulloblastoma. The tumor growth rate was 3.83 cm³ per year, and the median doubling time was 0.8 years. All patients underwent surgical resection of RIMs. The histological grade of RIMs was World Health Organization grade 1 (64%) or 2 (36%). RIMs showed higher incidences in young-age (63%), high-dose (75%), and extended-field (79%) RT groups. The recurrence rate was 21%. Genetic analysis revealed
conclusionThe study reveals a higher prevalence of high-grade tumors among RIMs with more rapid growth and higher recurrences than SMs. Genetically, RIMs are primarily associated with
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