Pediatric infratentorial ganglioglioma

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Stephanie PugetChristian Sainte-Rose

Abstract

Pediatric infratentorial gangliogliomas are exceedingly rare tumors; thus, the factors affecting their outcome are poorly understood and their optimal management has still to be defined. We reviewed the literature on pediatric gangliogliomas with a focus on those located in the posterior fossa to study treatment and outcome data. We added to this review some of our clinical cases. We found 100 and 80 cases of brainstem and cerebellar pediatric ganglioglioma, respectively, in our literature review. The surgical management varied from biopsy to gross total resection, and adjuvant treatment was given after incomplete resection or at time of progression. A gross total resection should be attempted to remove the contrast enhancing part of the tumor, which may be possible in most of the cerebellar gangliogliomas and some of the brainstem lesions. The cervicomedullary ganglioglioma seems to be the most infiltrative and least amenable to complete resection. Chemotherapy has a limited role and BRAF mutation was reported in 38 to 54 % of cases. The use of radiotherapy exposes the patient to a risk of malignant transformation and should be reserved for unresectable tumors which progress. Pediatric posterior fossa gangliogliomas are rare a...Continue Reading

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Citations

Jul 11, 2019·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Laura PastorMiguel Ángel Arráez

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