Journal
JOURNAL OF NEUROSURGERY-PEDIATRICS
Volume 3, Issue 4, Pages 259-269Publisher
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2008.11.PEDS08281
Keywords
chemotherapy; diffuse intrinsic brainstem glioma; local drug delivery; radiotherapy; stereotactic biopsy
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Diffuse intrinsic pontine gliomas constitute similar to 60-75% of tumors found within the pediatric brainstem. These malignant lesions present with rapidly progressive symptoms such as cranial nerve, long tract, or cerebellar dysfunction. Magnetic resonance imaging is usually sufficient to establish the diagnosis and obviates the need for surgical biopsy in most cases. The prognosis of the disease is dismal, and the median survival is < 12 months. Resection is not a viable option. Standard therapy involves radiotherapy, which produces transient neurological improvement with a progression-free survival benefit, but provides no improvement in overall survival. Clinical trials have been conducted to assess the efficacy of chemotherapeutic and biological agents in the treatment of diffuse pontine gliomas. In this review, the authors discuss recent studies in which systemic therapy was administered prior to, concomitantly with, or after radiotherapy. For future perspective. the discussion includes a rationale for stereotactic biopsies as well as possible therapeutic options of local chemotherapy in these lesions. (DOI: 10.3171/2008.11.PEDS08281)
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