Stereotactic radiosurgery is a precise, high-dose radiation treatment showing promising results for carefully selected pediatric brain tumors. A review of 358 patients found one-year survival rates of 85-100% and local tumor control rates of 29-100% depending on tumor type. It is best suited for small, deep-seated, residual, or recurrent tumors that are difficult to treat surgically.
- 358 pediatric patients reviewed across 17 studies from 1996–2022
- One-year survival rates ranged from 85–100% depending on tumor type
- Local tumor control varied widely: 29–100% based on disease setting
- Single-session doses: 11–16 Gy; multi-session: 24–42 Gy over 3–5 sessions
- Main risks include brain swelling, tissue damage, and optic nerve injury
Key findings
- Seventeen studies from 1996-2022 included 358 pediatric patients with median age 11 years, most commonly treated for pilocytic astrocytoma, craniopharyngioma, ependymoma, and medulloblastoma
- Single-session radiosurgery doses were typically 11-16 Gy, while multi-session treatments delivered 24-42 Gy over 3-5 sessions
- Evidence quality is low due to retrospective study designs, inconsistent outcome definitions, and limited long-term follow-up data
- Review of 358 pediatric brain tumor patients treated with stereotactic radiosurgery found one-year survival rates between 85-100%
- Local tumor control varied widely (29-100%) depending on tumor type and whether treatment was for new or recurrent disease
- Most common side effects included temporary swelling and tissue damage, especially in previously treated patients or tumors near critical brain structures
Frequently asked questions
What is stereotactic radiosurgery for pediatric brain tumors?
It\’s a precise radiation treatment that targets small brain tumors with high doses while limiting exposure to surrounding healthy tissue, increasingly used as an alternative to traditional surgery or standard radiotherapy.
Which children are best candidates for this treatment?
Children with small-volume, deep-seated, residual, or recurrent brain tumors are most suitable, particularly when the tumor is difficult to reach surgically or has returned after previous treatment.
What are the main risks of stereotactic radiosurgery in children?
Common side effects include temporary brain swelling, tissue changes that mimic tumor growth, radiation-induced tissue death, and optic nerve damage, especially in heavily pre-treated patients or tumors near critical structures.
Source: Bridging surgery and radiotherapy: the role of stereotactic radiosurgery in pediatric brain tumor care. · DOI: pii: 139. doi: 10.1007/s00381-026-07223-x