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Oncología (Barcelona)

versión impresa ISSN 0378-4835

Resumen

ORTIZ DE URBINA, D.  y  DELGADO, J. M.. Helical tomotherapy: image CT-guided IMRT. Oncología (Barc.) [online]. 2005, vol.28, n.8, pp.15-25. ISSN 0378-4835.

The Tomo-Therapy HI-ART System delivers intensity-modulated radiotherapy (IMRT) using a multileaf collimator (MLC). This binary MLC is made up of interlaced leaves, where each leaf can open and close quickly to permit or block the radiation throughout it, dividing the radiation beam into many smaller beams (beamlets). The Tomo-Therapy System also includes a computed tomography (CT) which can verify the size, shape and location of the patient's anatomy, target and organs at risk just prior to the time of treatments. This integrated system allows to optimize the planification, CT verification and fusion images, set-up modifications on line, and finally to deliver the dose, verify the dose delivered and made a dose reconstruction, a whole process called adaptive radiotherapy. The Tomo-Therapy is the first system of image CT-guided IMRT.

Palabras clave : Tomo-Therapy; IMRT; Adaptive Radiotherapy.

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