ArticleNeuro-oncology practice2025
Clinical outcomes for pleomorphic xanthoastrocytoma patients.
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.
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Who cites it
2 citing papers in PubMed.
- Epilepsy characteristics and outcomes in patients with pleomorphic xanthoastrocytomas.Journal of neuro-oncology · 2026Article
- Proton Beam Therapy for a Rare Anaplastic Pleomorphic Xanthoastrocytoma: Case Report and Literature Review.International journal of particle therapy · 2025Article
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10 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Background: Report our institutional experience with pleomorphic xanthoastrocytoma (PXA) to contribute to limited data on optimal management. Methods: Patients with pathologically confirmed PXA treated at our institution between 1990 and 2019 were identified. Demographic information, tumor grade, treatment variables, and clinical outcomes were collected from patient charts. Kaplan-Meier estimates were used to summarize 2 primary outcome measurements: progression-free survival (PFS) and overall survival (OS). Outcomes were stratified by tumor grade and extent of resection. Cox regression and log-rank testing were performed. Results: We identified 17 patients with pathologically confirmed PXA. Two patients were excluded due to incomplete treatment information or <6 m of follow-up; 15 patients were analyzed (median follow-up 4.4 years). Six patients had grade 2 PXA and 9 had grade 3 anaplastic PXA. The 2- and 5-year PFS for the cohort was 57% and 33%, respectively; 2- and 5-year OS was 93% and 75%, respectively. Patients with grade 2 tumors exhibited superior PFS compared to those with grade 3 tumors (2-year PFS: 100% vs. 28%, 5-year PFS: 60% vs. 14%), hazard ratio, 5.09 (95% CI: 1.06-24.50), Conclusions: The poor survival of the cohort, especially with grade 3 tumors, suggests the need for more aggressive treatment, including maximal resection followed by intensive adjuvant therapy. Better prognostics of tumor recurrence are needed to guide the use of adjuvant therapy.
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