Journal
NEUROSURGERY
Volume 86, Issue 4, Pages 517-523Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/neuros/nyz298
Keywords
Developmental venous anomaly; Diffuse intrinsic pontine glioma; H3-K27-mutant; Craniopharyngioma; Pediatric population
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BACKGROUND: No link has been demonstrated between diffuse intrinsic pontine glioma and developmental venous anomaly in pediatric patients. OBJECTIVE: To determine the prevalence of developmental venous anomaly in a pediatric cohort of diffuse intrinsic pontine glioma. METHODS: We performed a retrospective cohort study (1998-2017) of consecutive pediatric patients harboring a diffuse intrinsic pontine glioma (experimental set, n = 162) or a craniopharyngioma (control set, n = 142) in a tertiary pediatric neurosurgical center. The inclusion criteria were the following: age < 18 yr at diagnosis; histopathological diagnosis of diffuse intrinsic pontine glioma or craniopharyngioma according to the 2016 World Health Organization classification of tumors of the central nervous system; no previous oncological treatment; and available preoperative magnetic resonance imaging performed with similar acquisition protocol. RESULTS: We found a significantly higher prevalence of developmental venous anomaly in the experimental set of 162 diffuse intrinsic pontine gliomas (24.1%) than in the control set of 142 craniopharyngiomas (10.6%; P = .001). The prevalence of developmental venous anomalies was not significantly impacted by demographic data (sex, age at diagnosis, and underlying pathological condition), biomolecular analysis (H3-K27M-mutant subgroup, H3.1-K27M-mutant subgroup, and H3.3-K27M-mutant subgroup), or imaging findings (anatomic location, anatomic extension, side, and obstructive hydrocephalus) of the studied diffuse intrinsic pontine gliomas. CONCLUSION: We report a higher prevalence of developmental venous anomaly in pediatric diffuse intrinsic pontine glioma patients than in control patients, which suggests a potential underlying common predisposition or a causal relationship that will require deeper investigations.
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