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Image-guided frameless SRS
•
Image-guided “frameless” stereotactic radiosurgery:
Ø
Replacement of the stereotactic devices with external co-
ordinate and reference systems for patient positioning, by
direct imaging
before and during treatment with
on-line
correction
Ø
Making use of
internal anatomy rather than external
landmarks
to localize target, position patient, and avoid
geographic miss during treatment.
SBRT 2017 - D. Verellen
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