ArticleBMC cancer2022
Primary versus postoperative gamma knife radiosurgery for intracranial benign meningiomas: a matched cohort retrospective study.
Article in BMC cancer, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Peritumoral T2/FLAIR hyperintense MRI findings of meningiomas are not necessarily edema and may persist permanently: a systematic review.Neurosurgical review · 2023Pooled it
- Adjuvant radiotherapy for WHO grade II meningiomas: the unanswered question.Frontiers in oncology · 2026Article
- Reply to Corrales-García, E.M.; Delgado-López, P.D. Comment on "Giotta Lucifero et al. Impact of Irradiation on Post-Surgical Residuals of WHO Grade I Meningioma.Journal of clinical medicine · 2025Article
- Characterizing Hearing Outcomes Following Treatment of Cerebellopontine Angle Meningiomas.Journal of neurological surgery. Part B, Skull base · 2025Article
- Peritumoral edema resolves infrequently in surgically treated patients with intracranial meningioma- a retrospective study of 279 meningioma patients.Journal of neuro-oncology · 2025Article
- Article
- Dose-staged Gamma Knife radiosurgery for meningiomas: A retrospective study in a single center.Frontiers in neurology · 2022Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveThe aims of this study were to investigate the long-term outcomes of primary versus postoperative Gamma Knife radiosurgery (GKRS) for benign meningiomas.
methodsThree hundred and forty meningioma patients underwent GKRS were retrospectively reviewed. Patients in the postoperative GKRS group were matched to those in the primary GKRS group, in a 1:1 ratio.
resultsThe study consisted of 122 patients, including primary (n = 61) and postoperative (n = 61) GKRS group. Thirty-four patients (27.9%) occurred radiological progression after a median follow-up of 72.5 (range, 24.2-254.5) months. The median time to radiological progression was 85.1 (range, 20.7-205.1) months. The radiological progression-free survival (PFS) was 100%, 93%, 87%, and 49%, at 1, 3, 5, and 10 years respectively. Thirty-one patients (25.4%) occurred clinical progression. The clinical PFS was 92%, 89%, 84%, and 60%, at 1, 3, 5, and 10 years. In combined group, only max diameter ≥ 50 mm was associated with radiological (p = 0.020) and clinical PFS (hazard ratio [HR] = 2.896, 95% confidence interval [CI] = 1.280-6.553, p = 0.011). Twenty-five patients (20.5%) developed GKRS related adverse effects, including radiation-induced edema (n = 21). Non-skull base tumors (HR = 3.611, 95% CI = 1.489-8.760, p = 0.005) and preexisting peritumoral edema (HR = 3.571, 95% CI = 1.167-10.929, p = 0.026) were significantly related to radiation-induced edema in combined group. There was no significant difference in radiological PFS (p = 0.403), clinical PFS (p = 0.336), and GKRS related adverse effects (p = 0.138) between primary and postoperative GKRS groups.
conclusionsPrimary GKRS could provide similar radiological and clinical outcomes, as well as similar complication rate compared with postoperative GKRS. For selective benign meningioma patients (asymptomatic or mildly symptomatic tumors; unfavorable locations for surgical resection; comorbidities or an advanced age), GKRS could be an alternative primary treatment.
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