ArticleNeuro-oncology practice2025
Histopathologically confirmed radiation necrosis: Risk factors and clinical outcomes in patients with primary brain tumors.
Article in Neuro-oncology practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Magnetic resonance spectroscopy (MRS) for differentiating tumour recurrence from radiation necrosis in treated intra-axial brain tumours.The Cochrane database of systematic reviews · 2026Pooled it
- Dynamic Contrast-Enhanced MRI in Neuro-Oncology: A Narrative and Translational Review.Brain sciences · 2026Review
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Authors and funding
11 authors.
Funding
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Abstract
Background: Radiation necrosis is a recognized complication following radiotherapy for primary brain tumors, presenting diagnostic and therapeutic challenges, and potentially masquerading as tumor recurrence. This study aims to delineate the clinical trajectory, management strategies, and outcomes of histologically confirmed radiation necrosis in patients treated for primary brain tumors. Methods: We conducted a retrospective review of patients who underwent surgical intervention for suspected tumor recurrence at our institution between 2010 and 2022, following adjuvant radiotherapy. Cases with histopathologically confirmed radiation necrosis were identified and analyzed for onset, clinical symptoms, radiological features, correlation with radio- and chemotherapy, management approaches, and disease progression. Results: Out of 276 patients operated for suspected recurrent brain tumors, 14 (5%) were histopathologically diagnosed with radiation necrosis. The latency period from radiotherapy to diagnosis ranged from 3 to 40 months. Notably, patients with oligodendrogliomas exhibited a significantly higher incidence of radiation necrosis (26%), underscoring a substantial risk association ( Conclusion: Radiation necrosis post-radiotherapy for primary brain tumors occurs infrequently but predominantly in patients with oligodendrogliomas, often following a benign course. The study underscores the importance of close monitoring for this condition, given the potential for sampling errors and the critical need for histopathological confirmation to guide appropriate management.
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