Revisiting prognostic factors of gliomatosis cerebri in adult-type diffuse gliomas
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View abstract on PubMed
Summary
This summary is machine-generated.Gliomatosis cerebri (GC) patient prognosis depends on molecular type and performance status. Aggressive surgery for enhancing CE tumors in GC patients does not improve survival compared to diffuse glioma without GC.
Area Of Science
- Neuro-oncology
- Molecular Pathology
- Neurosurgery
Background
- Gliomatosis cerebri (GC) is a rare, aggressive brain tumor with poorly understood prognostic factors.
- Comprehensive analysis integrating clinical, molecular, imaging, and surgical data is lacking for GC patients.
- Identifying key prognostic factors is crucial for improving patient outcomes and treatment strategies.
Purpose Of The Study
- To investigate the prognostic impact of various factors on the survival of adult-type diffuse glioma patients with GC.
- To identify independent predictors of overall survival (OS) in the entire GC cohort and in the IDH-wildtype glioblastoma subgroup.
Main Methods
- Retrospective review of clinical and imaging data from 99 GC patients diagnosed between 2005 and 2021.
- Analysis included patients with oligodendroglioma, IDH-mutant astrocytoma, and IDH-wildtype glioblastoma.
- Multivariable analysis was performed to determine independent prognostic factors for overall survival.
Main Results
- Median OS was 16.7 months for all GC patients and 14.3 months for IDH-wildtype glioblastoma patients.
- Independent prognostic factors for entire GC cohort included Karnofsky Performance Status (KPS), absence of 1p/19q codeletion, MGMTp methylation, and presence of hemorrhage.
- In IDH-wildtype glioblastoma, KPS was the sole independent prognostic factor; aggressive resection of enhancing (CE) tumors did not significantly improve survival.
Conclusions
- Patient prognosis in GC is significantly influenced by the underlying molecular subtype and the patient's performance status.
- Aggressive surgical resection of enhancing tumors in GC patients does not confer a survival benefit compared to diffuse gliomas without GC.
- Future research should focus on molecular profiling and tailored treatment strategies based on identified prognostic factors.
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