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Germline BRCA2 pathogenic variants in pediatric ganglioglioma: Case report and review of the literature

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Abstract

Background

BRCA1 and BRCA2 are tumor suppressor genes associated with increased risk of breast and ovarian cancer in adulthood. Patients with germline pathogenic variants in these genes have also been reported to develop brain tumors, although it is unclear whether these syndromes are associated with significant increased risk of brain tumor formation.

Results

Here, we report a case of a child with germline BRCA2 pathogenic variant presenting with a symptomatic ganglioglioma. To our knowledge, this is the first such patient to be reported. We discuss prior cases of brain tumors in BRCA1/2 patients and evidence for a potential role for BRCA1/2 pathogenic variants in brain tumor formation.

Conclusion

BRCA2 germline variants may increase the risk of developing some types of pediatric brain tumors, but further study is needed to determine its effect on low-grade glioma formation.

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Abbreviations

GG:

Ganglioglioma

LGG:

Low-grade glioma

BRCA1 :

BReast CAncer gene 1

BRCA2 :

BReast CAncer gene 2

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Funding

This work is funded by grants from the St. Louis Children’s Hospital Foundation (FDN20231203 to NMB).

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Authors and Affiliations

Authors

Contributions

Writing, original draft, A.G., M.L., and N.M.B.; writing—review and editing, N.M.B.; supervision, N.M.B.; funding acquisition, N.M.B. All authors have reviewed and agree to the content of the manuscript.

Corresponding author

Correspondence to Nicole M. Brossier.

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Conflict of interest

Mirna Lechpammer is the Associate Medical Director of Pathology at Foundation One Medicine. Samples were tested via Foundation One CDx per standardized clinical workflow at Washington University in St. Louis. Dr. Lechpammer’s contribution to the manuscript was limited to the technical description of the assay. All other authors have no competing interests.

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Gupta, A., Lechpammer, M. & Brossier, N.M. Germline BRCA2 pathogenic variants in pediatric ganglioglioma: Case report and review of the literature. Childs Nerv Syst 40, 1609–1612 (2024). https://doi.org/10.1007/s00381-023-06267-7

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