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Tiny gold seeds or electromagnetic beacons placed in or near a tumour so the treatment machine can see exactly where it is each day.
Soft-tissue tumours in the prostate, liver, pancreas and lung are hard to see on the X-ray images used for daily setup. Fiducial markers implanted under ultrasound or endoscopic guidance show up clearly and let the couch be shifted to the tumour's true position; electromagnetic transponders report position continuously during the beam. Fiducials make stereotactic treatment of moving targets possible and are being joined by markerless tracking on MRI and with AI.
Showing the technology this term belongs to: Respiratory motion management (4D-CT, gating, breath-hold, tracking).
Shares Daily versus weekly prostate cancer image guided radiation therapy: phase 3 multicenter randomized trial, IMRT / IGRT (modern external beam) and the tags radiation-wave1, precision.
Shares Respiratory motion management (4D-CT, gating, breath-hold, tracking) and the tags radiation-wave1, precision.
Shares IMRT / IGRT (modern external beam) and the tags radiation-wave1, precision.
Shares CyberKnife robotic radiosurgery, SBRT / SABR (stereotactic radiotherapy), IMRT / IGRT (modern external beam) and the tags radiation-wave1, precision.
Shares IMRT / IGRT (modern external beam) and the tags radiation-wave1, precision.
Shares IMRT / IGRT (modern external beam) and the tags radiation-wave1, precision.
Shares the tags radiation-wave1, precision.
Shares CyberKnife robotic radiosurgery, SBRT / SABR (stereotactic radiotherapy), Prostate cancer and the tag radiation-wave1.