ArticleCancers2025
Patterns of Recurrence After Postoperative Stereotactic Radiotherapy for Brain Metastases.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Contrast clearance analysis in post-operative brain metastases resection cavities: case series and literature review.Frontiers in oncology · 2026Article
- Patterns and risk factors of intracranial recurrence after surgical resection of brain metastases from malignant tumors.American journal of cancer research · 2025Article
- Permeabilization of tumor margins in brain macrometastases using a type-1 receptor selective tumor necrosis factor mutein.Neuro-oncology advancesArticle
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18 authors.
Funding
Abstract
BACKGROUND/
objectivesNeurosurgical resection is the standard treatment for large brain metastases (BMs). Postoperative stereotactic radiotherapy (SRT) is used to reduce local recurrence (LR) but does not always prevent leptomeningeal disease (LMD). This study aims to analyze patterns of tumor recurrence and to identify opportunities for the further improvement of treatment efficacy.
methodsWe included 147 patients who underwent resection and SRT for BMs. The distance between the resection cavity target volume and the new tumor growth was calculated. Cox regression analyses were used to assess associations of LMD with various patient characteristics.
resultsMedian survival after postoperative SRT was 14 months (IQR 6-30) with a 3-year actuarial survival rate of 21%. LR occurred in 20/147 patients (14%). After total resection, LR occurred in 21% of patients after 3 years of follow-up compared to 36% after subtotal resection. Marginal LR occurred in 5/147 patients (3%). LMD was found in 21/147 patients (14%; 3-year actuarial rate, 26%), and it was found more commonly in patients with resected cerebellar metastases (23%; 3-year actuarial rate, 46%) compared to those with cerebral metastases (11%; 3-year actuarial rate 17%) (HR 2.54, 95% CI 1.07-6.04,
conclusionsThis study examined patterns of recurrence after postoperative radiotherapy and its implications for radiation dose, radiation field size, and treatment sequence. Local control was high after total resection. Radiation field size appeared adequate given the low incidence of marginal recurrences. Patients with cerebellar metastases showed an increased risk of LMD, underscoring the need for preventive measures, particularly preoperative SRT.
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