Abstract
Purpose
Given the rarity of disseminated disease at the time of initial evaluation for pediatric brain tumor patients, we sought to identify clinical and radiographic predictors of spinal metastasis (SM) at the time of presentation.
Methods
We performed a single-institution retrospective chart review of pediatric brain tumor patients who first presented between 2004 and 2018. We extracted information regarding patient demographics, radiographic attributes, and presenting symptoms. Univariate and multivariate logistic regression was used to estimate the association between measured variables and SMs.
Results
We identified 281 patients who met our inclusion criteria, of whom 19 had SM at initial presentation (6.8%). The most common symptoms at presentation were headache (n = 12; 63.2%), nausea/vomiting (n = 16; 84.2%), and gait abnormalities (n = 8; 41.2%). Multivariate models demonstrated that intraventricular and posterior fossa tumors were more frequently associated with SM (OR: 5.28, 95% CI: 1.79–15.59, p = 0.003), with 4th ventricular (OR: 7.42, 95% CI: 1.77–31.11, p = 0.006) and cerebellar parenchymal tumor location (OR: 4.79, 95% CI: 1.17–19.63, p = 0.030) carrying the highest risk for disseminated disease. In addition, evidence of intracranial leptomeningeal enhancement on magnetic resonance imaging (OR: 46.85, 95% CI: 12.31–178.28, p < 0.001) and hydrocephalus (OR: 3.19; 95% CI: 1.06–9.58; p = 0.038) were associated with SM.
Conclusions
Intraventricular tumors and the presence of intracranial leptomeningeal disease were most frequently associated with disseminated disease at presentation. These findings are consistent with current clinical expectations and offer empirical evidence that heightened suspicion for SM may be prospectively applied to certain subsets of pediatric brain tumor patients at the time of presentation.
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Data availability
All data generated or analyzed during this study are included in this article. Further inquiries can be directed to the corresponding author.
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Adrian Rodrigues — patient chart review, data analysis and manuscript preparation, manuscript revision and submission. Zack Medress — project supervision, patient chart review, manuscript writing, manuscript revision. Jamasb Sayadi — patient chart review, data analysis, manuscript revision. Hriday Bhambhvani — patient chart review, data analysis, manuscript revision. Sam Falkson — patient chart review, data analysis, manuscript revision. Rayyan Jokhai — patient chart review, data analysis, manuscript revision. Summer Han — data analysis, manuscript writing, manuscript revision, project supervision. David Hong — project supervision, manuscript writing, manuscript revision.
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This study protocol was reviewed and approved by Stanford University’s School of Medicine Institutional Review Board (protocol no. 48055). The study was exempt from patient consent because the information collected included only pre-existing, de-identified data, per the IRB of Stanford University’s School of Medicine.
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All the authors have reviewed the manuscript and consent to publication of the included materials in full. The study was exempt from patient consent because the information collected included only pre-existing, de-identified data, per the IRB of Stanford University’s School of Medicine.
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Rodrigues, A.J., Medress, Z.A., Sayadi, J. et al. Predictors of spine metastases at initial presentation of pediatric brain tumor patients: a single-institution study. Childs Nerv Syst 39, 603–608 (2023). https://doi.org/10.1007/s00381-022-05702-5
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DOI: https://doi.org/10.1007/s00381-022-05702-5