Document Detail

Radiosurgery with a linear accelerator. Methodological aspects.
MedLine Citation:
PMID:  1808659     Owner:  NLM     Status:  MEDLINE    
Based on the concepts of Leksell and on recommendations of different Swedish physicists on the use of linear accelerator for radiosurgical use, we developed a new methodology coupling the Talairach stereotactic system with a commercial linac. Anatomical facts encouraged us to use coronal angles of irradiation employing the angular displacement of the linac above the horizontal plane. Different coronal planes are obtained by rotation of the stereotactic frame. The center of the irradiated target coincides with the irradiation and rotation center of the linear accelerator. Multiple targets can be irradiated in the same session. We use as recommended a secondary collimator in heavy alloy. Special software was prepared after different dosimetric controls. The use of a PC allows us to employ 1-6 targets and different collimators to displace the isocenters in order to obtain geometrical isodose modification, and to change the value of each irradiation arc or portions of each arc in some minutes. Simple or sophisticated neurosurgical strategies can be applied in the treatment of frequently irregular shape and volume AVMs.
O O Betti; D Galmarini; V Derechinsky
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Stereotactic and functional neurosurgery     Volume:  57     ISSN:  1011-6125     ISO Abbreviation:  Stereotact Funct Neurosurg     Publication Date:  1991  
Date Detail:
Created Date:  1992-05-21     Completed Date:  1992-05-21     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8902881     Medline TA:  Stereotact Funct Neurosurg     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  87-98     Citation Subset:  IM    
Institutos Médicos Antártida, Rivadavia, Buenos Aires, Argentina.
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MeSH Terms
Brain / anatomy & histology,  surgery*
Patient Care Team
Radiosurgery / instrumentation,  methods*
Radiotherapy Planning, Computer-Assisted
Stereotaxic Techniques
Technology, Radiologic

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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