Journal of neuro-oncology · 2021
Radiotherapy alone for pediatric patients with craniopharyngioma.
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Young Michael, Delaney Angela, Jurbergs Niki, Pan Haitao, Wang Fang, Boop Frederick A, Merchant Thomas E
Аннотация
PURPOSE: Radiotherapy alone, without tumor-directed surgery, may be appropriate for selected patients with craniopharyngioma reducing the risks associated with neurosurgery. Understanding outcomes for patients with craniopharyngioma treated with radiotherapy alone will further refine patient selection and treatment options.
METHODS: Since 2002, 13 children, adolescents and young adults, with craniopharyngioma were treated with radiotherapy alone and followed for disease control and functional outcomes at a single institution. The median age at treatment was 13 years (range, 3-21 years). All patients received 54 Gy/54 Gy(RBE) in 30 fractions. Five patients were treated with intensity-modulated photon therapy, four with passively scattered proton therapy, and four with intensity-modulated proton therapy.
RESULTS: With a median follow-up of 5 years (range 3 months-14 years), all patients were alive. One experienced tumor progression 8.5 years after treatment. No significant changes in vision, hearing or neurologic function attributed to radiotherapy. Hormone deficiencies and body mass index were within the expected range at baseline and 5 years after treatment. There was no evidence of cognitive decline based on assessment of IQ, memory and attention. Unexpected complications included single cases of out-of-field malignancy, white matter changes, large vessel narrowing, and pontine capillary telangiectasia. Six patients had sphenoid bone abnormalities on follow-up imaging attributed to radiotherapy.
CONCLUSION: Radiotherapy alone is an important treatment option to consider when radical resection is contraindicated, or surgical intervention is not required to alleviate symptoms. Disease control and functional outcomes are excellent after radiation therapy alone in appropriately selected patients.
METHODS: Since 2002, 13 children, adolescents and young adults, with craniopharyngioma were treated with radiotherapy alone and followed for disease control and functional outcomes at a single institution. The median age at treatment was 13 years (range, 3-21 years). All patients received 54 Gy/54 Gy(RBE) in 30 fractions. Five patients were treated with intensity-modulated photon therapy, four with passively scattered proton therapy, and four with intensity-modulated proton therapy.
RESULTS: With a median follow-up of 5 years (range 3 months-14 years), all patients were alive. One experienced tumor progression 8.5 years after treatment. No significant changes in vision, hearing or neurologic function attributed to radiotherapy. Hormone deficiencies and body mass index were within the expected range at baseline and 5 years after treatment. There was no evidence of cognitive decline based on assessment of IQ, memory and attention. Unexpected complications included single cases of out-of-field malignancy, white matter changes, large vessel narrowing, and pontine capillary telangiectasia. Six patients had sphenoid bone abnormalities on follow-up imaging attributed to radiotherapy.
CONCLUSION: Radiotherapy alone is an important treatment option to consider when radical resection is contraindicated, or surgical intervention is not required to alleviate symptoms. Disease control and functional outcomes are excellent after radiation therapy alone in appropriately selected patients.