Abstract
Optic pathway glioma (OPG) is a rare brain tumor affecting children, with no standard treatment strategy. This study described the sporadic OPG survival outcomes after surgical treatment and analyzed the role of imaging features and resection status in children receiving different adjuvant treatments. This retrospective study included 165 OPG patients whose clinical information were obtained from the hospital record system. Tumor volume and residual tumor volume were calculated by delineating the lesion area. Kaplan–Meier method and Cox proportional hazards model were conducted to analyze the independent prognosis factor. A total of 165 patients were included in this study. Respectively, the 5-year overall survival (OS) and progression-free survival (PFS) were 87.58% and 77.87%. Residual tumor size and first adjuvant treatment (AT) after surgery were both associated with PFS. In patients with small-size residual tumors, there was no significant difference in PFS between the AT treatment groups. Moreover, age, exophytic cystic components, leptomeningeal metastases, and AT were associated with OS. In patients with exophytic cystic components and those with leptomeningeal metastases, there was no significant difference in OS. Our results revealed that OPG patients could avoid or defer AT by maximized resection. Age ≤ 2 years was a disadvantageous factor for OS. Patients with exophytic cystic components were more likely to benefit from primary surgery, and CT or RT was not beneficial for these patients. Patients with leptomeningeal metastases had a poor prognosis regardless of the treatment they received. Future prospective clinical studies are needed to develop more effective treatment regimens.
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The processed data required to reproduce these findings cannot be shared at this time as they are part of an ongoing study.
Abbreviations
- AT:
-
Adjuvant treatment
- BMI:
-
Body mass index
- CI:
-
Confidence interval
- CT:
-
Chemotherapy
- DA:
-
Diffuse astrocytoma
- GTR:
-
Gross total resection
- HR:
-
Hazard ratio
- ICH:
-
Intracranial hypertension
- LGG:
-
Low-grade glioma
- LP:
-
Light perception
- NLP:
-
No light perception
- OB:
-
Observation
- OPG:
-
Optic pathway glioma
- OS:
-
Overall survival
- PA:
-
Pilocytic astrocytoma
- PA/PMXA:
-
Pilocytic astrocytoma with pilomyxoid features
- PD:
-
Progressive disease
- PFS:
-
Progression-free survival
- PMXA:
-
Pilomyxoid astrocytoma
- RT:
-
Radiotherapy
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Acknowledgements
We thank all the patients and their families for their cooperation during the follow-up.
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Capital’s Funds for Health Improvement and Research (2020–2-2047).
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Acquisition of data: ZL, CL, XA, WZ. Analysis and interpretation of data: ZL, CL, XA, WZ. Statistical analysis: ZL, CL. Drafting the article: ZL, CL. Critically revising the article: ZL, C, XA, WZ, ZM, WL, YT. Funding acquisition: YT. Conception and design: ZL, CL, ZM, WL, YT. Study supervision: ZL, CL, ZM, WL, YT.
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All procedures performed in studies involving human participants with the ethical standards of the institutional and/or national research committee by the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was reviewed and approved by the Institutional Review Board of Beijing Tiantan Hospital, Capital Medical University (KY 2020–054-04).
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Supplementary Fig. S1.
A treatment course of included patients with sporadic optic pathway glioma. (PNG 786 kb)
Supplementary Fig. S2.
The progression-free survival (PFS) and overall survival (OS) of all participants. (PNG 81 kb)
Supplementary Tables S1–S5
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Liu, Zm., Liao, Ch., An, X. et al. The role of imaging features and resection status in the survival outcome of sporadic optic pathway glioma children receiving different adjuvant treatments. Neurosurg Rev 45, 2277–2287 (2022). https://doi.org/10.1007/s10143-022-01743-1
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DOI: https://doi.org/10.1007/s10143-022-01743-1