Treatment Delivery

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Radiosurgery Center

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Biologically equivalent radiation dose (*)

Method of Radiation Delivery 

Cyberknife Radiosurgery

200 Gy Concentrates 150-200 beams of radiation on prostate from numerous angles and locations

External Beam Radiotherapy (EBRT)

 

Intensity-Modulated Radiotherapy (IMRT)

150-160 Gy Aims 5-7 beams of radiation at prostate from a single arc

Calypso-Guided EEBRT/IMRT

150-160 Gy Aims 5-7 beams of radiation at prostate from a single arc

High-Dose Rate (HDR) Brachytherapy

170-220 Gy 15-20 small tubes (catheters) are inserted into the prostate to be used to deliver radiation

Low-Dose Rate (LDR) Brachytherapy (Seed Implant)

170-210 Gy  20 or more needles inserted into the prostate permanently deposit about 100 radioactive seeds, which then release radiation over a period of time