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Static-junction craniospinal irradiation: verification of daily dose and long-term treatment results
, 2, 2, 1
Affiliations- Radiotherapy Department, Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
- Radiotherapy Planning Department, Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice Branch, Gliwice, Poland
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Abstract
Introduction. The study was performed to evaluate the repeatability and effectiveness of the static-junctions image guided (SJIG) method of craniospinal irradiation.
Material and methods. An analysis of 40 treatment plans was performed. All treatment plans were reviewed with regard to the distances between isocentres between in every single field of each fraction during all treatment days. Based on that data, second (actually treated) plans were created. The planned and treated parameters were compared.
Results. The study group consisted of 40 patients irradiated in the craniospinal region. Data on 902 fractions and 1635 isocentres positions was collected. 1-, 2- and 5-year overall survival was 95%, 89% and 78%, respectively. Spine metastases were observed in regions which were covered with a homogenous dose during treatment.
Conclusions. SJIG is safe and produces very good long-term outcomes. Treatment planning and delivery is simple with good reproduction of the planned dose distribution during the actual treatment.
Abstract
Introduction. The study was performed to evaluate the repeatability and effectiveness of the static-junctions image guided (SJIG) method of craniospinal irradiation.
Material and methods. An analysis of 40 treatment plans was performed. All treatment plans were reviewed with regard to the distances between isocentres between in every single field of each fraction during all treatment days. Based on that data, second (actually treated) plans were created. The planned and treated parameters were compared.
Results. The study group consisted of 40 patients irradiated in the craniospinal region. Data on 902 fractions and 1635 isocentres positions was collected. 1-, 2- and 5-year overall survival was 95%, 89% and 78%, respectively. Spine metastases were observed in regions which were covered with a homogenous dose during treatment.
Conclusions. SJIG is safe and produces very good long-term outcomes. Treatment planning and delivery is simple with good reproduction of the planned dose distribution during the actual treatment.
Keywords
medulloblastoma; craniospinal irradiation; image guided radiotherapy; treatment planning
About this articleTitle
Static-junction craniospinal irradiation: verification of daily dose and long-term treatment results
Journal
Nowotwory. Journal of Oncology
Issue
Article type
Research paper (original)
Pages
343-347
Published online
2021-10-15
Page views
6090
Article views/downloads
360
DOI
Bibliographic record
Nowotwory. Journal of Oncology 2021;71(6):343-347.
Keywords
medulloblastoma
craniospinal irradiation
image guided radiotherapy
treatment planning
Authors
Aleksandra Napieralska
Michał Radwan
Iwona Brąclik
Sławomir Blamek
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