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Proceedings Paper

Stereotactic multibeam radiation therapy system in a PACS environment
Author(s): Francoise Fresne; G. Le Gall; Christian Barillot; Bernard Gibaud; Jean-Pierre Manens; Christine Toumoulin; Didier Lemoine; C. Chenal; Jean-Marie Scarabin
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Paper Abstract

A Multibeam radiation therapy treatment is a non-invasive technique devoted to treat a lesion within the cerebral medium by focusing photon-beams on the same target from a high number of entrance points. We present here a computer assisted dosimetric planning procedure which includes: (1) an analysis module to define the target volume by using 2D and 3D displays, (2) a planing module to issue a treatment strategy including the dosimetric simulations and (3) a treatment module setting up the parameters to order the robotized treatment system (i.e. chair- framework, radiation unit machine). Another important feature of this system is its connection to the PACS system SIRENE settled in the University hospital of Rennes which makes possible the archiving and the communication of the multimodal images (CT, MRI, Angiography) used by this application. The corporate use of stereotactic methods and the multimodality imagery ensures spatial coherence and makes the target definition and the cognition of the structures environment more accurate. The dosimetric planning suited to the spatial reference (i.e. the stereotactic frame) guarantees an optimal distribution of the dose computed by an original 3D volumetric algorithm. The robotic approach of the treatment stage has consisted to design a computer driven chair-framework cluster to position the target volume at the radiation unit isocenter.

Paper Details

Date Published: 1 May 1991
PDF: 11 pages
Proc. SPIE 1444, Medical Imaging V: Image Capture, Formatting, and Display, (1 May 1991); doi: 10.1117/12.45152
Show Author Affiliations
Francoise Fresne, Pontchaillou Hospital (France)
G. Le Gall, Pontchaillou Hospital (France)
Christian Barillot, Pontchaillou Hospital (France)
Bernard Gibaud, Pontchaillou Hospital (France)
Jean-Pierre Manens, Pontchaillou Hospital (France)
Christine Toumoulin, Pontchaillou Hospital (France)
Didier Lemoine, Pontchaillou Hospital (France)
C. Chenal, Pontchaillou Hospital (France)
Jean-Marie Scarabin, Pontchaillou Hospital (France)


Published in SPIE Proceedings Vol. 1444:
Medical Imaging V: Image Capture, Formatting, and Display
Yongmin Kim, Editor(s)

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