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Updated: Jul 17, 2026

Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
Published on: February 6, 2019
FOXR2-Mediated CNS Neuroblastoma in a Pediatric Patient Treated With Multimodal Therapy Including Proton Craniospinal
Waseem Syed1, Chetan Shah2, Leticia Schaefer3
1College of Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, USA.
Abstract:
FOXR2-activated central nervous system (CNS) neuroblastoma is a rare embryonal tumor characterized by an aggressive nature, frequent leptomeningeal dissemination, and poor prognosis without intensive multimodal therapy. We report a four-year-old girl with multifocal FOXR2-altered CNS neuroblastoma treated with subtotal resection, multi-agent chemotherapy per ACNS0334, autologous stem cell transplant, and proton craniospinal irradiation (CSI) with focal boost. This case highlights modern management strategies and the rationale for proton therapy in reducing long-term treatment toxicity in very young children.
Insights
This case study details the successful treatment of a rare FOXR2-activated central nervous system (CNS) neuroblastoma in a young child. Modern therapies, including proton craniospinal irradiation (CSI), improved outcomes while minimizing toxicity.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Radiation Oncology
Background:
- FOXR2-activated central nervous system (CNS) neuroblastoma is a rare, aggressive embryonal tumor.
- These tumors often present with leptomeningeal dissemination and have a poor prognosis without intensive treatment.
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