期刊
CNS NEUROSCIENCE & THERAPEUTICS
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1111/cns.14307
关键词
adults; age; children; diffuse midline glioma; prognosis
This study aimed to investigate the clinicopathological characteristics and identify prognostic factors of H3K27M-mutant diffuse midline glioma (DMG) in pediatric and adult patients. Significant differences were found in clinicopathological characteristics and prognostic factors between children and adults, suggesting the need for further clinical and molecular stratification based on age.
AimsH3K27M-mutant diffuse midline glioma (DMG) is a rare and aggressive central nervous system tumor. The biological behavior, clinicopathological characteristics, and prognostic factors of DMG have not yet been completely uncovered, especially in adult patients. This study aims to investigate the clinicopathological characteristics and identify prognostic factors of H3K27M-mutant DMG in pediatric and adult patients, respectively. MethodsA total of 171 patients with H3K27M-mutant DMG were included in the study. The clinicopathological characteristics of the patients were analyzed and stratified based on age. The Cox proportional hazard model was used to determine the independent prognostic factors in pediatric and adult subgroups. ResultsThe median overall survival (OS) for the entire cohort was 9.0 months. Significant differences were found in some clinicopathological characteristics between children and adults. The median OS was also significantly different between the pediatric and adult subgroups, with 7.1 months for children and 12.3 months for adults (p < 0.001). In the overall population, the multivariate analysis identified adult patients, single lesion, concurrent chemoradiotherapy/radiotherapy, and intact ATRX expression as independent favorable prognostic factors. In the age-stratified subgroups, the prognostic factors varied between children and adults, with intact ATRX expression and single lesion being independent favorable prognostic factors in adults, while infratentorial localization was significantly associated with worse prognosis in children. ConclusionsThe differences in clinicopathological features and prognostic factors between pediatric and adult patients with H3K27M-mutant DMG suggest the need for further clinical and molecular stratification based on age.
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