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Interstitial irradiation for craniopharyngioma
1Department of Neurosurgery, Istanbul Faculty of Medicine, University of Istanbul, Capa, Turkey.
Acta Neurochirurgica
|July 7, 2000
Summary
Stereotactic interstitial irradiation using Iodine-125 effectively treated two craniopharyngioma patients. This radiation therapy led to significant tumor shrinkage and complete disappearance in one case, with no recurrence after six years.
Area of Science:
- Neurosurgery
- Radiation Oncology
- Oncology
Background:
- Craniopharyngioma treatment often involves surgery, but some patients refuse resection.
- Stereotactic interstitial irradiation presents an alternative therapeutic approach.
Observation:
- Two adult patients with confirmed craniopharyngioma underwent Iodine-125 interstitial irradiation as sole therapy.
- Tumors varied in size (2.7-4 cm) and composition (solid, cystic-solid).
Findings:
- Tumor shrinkage and central hypodensity were observed within 3 months post-irradiation.
- One tumor resolved completely by 24 months; the other reduced to <1 cm by 12 months.
- Six-year follow-up showed no recurrence or radiation-induced toxicity in either patient.
Implications:
- Stereotactic interstitial irradiation with Iodine-125 is a viable treatment for craniopharyngioma, especially in patients refusing surgery.
- Solid craniopharyngiomas demonstrate sensitivity to this form of radiation therapy.
- This approach can restore functional integrity with long-term safety.