External Beam Radiation Therapy (EBRT) | 合法醫療器材資訊網

ExternalBeamRadiationTherapy(EBRT)...ExternalBeamRadiationTherapy(​EBRT)referstothedeliveryoftightlytargetedradiationbeamsfromoutsidethe ...

External Beam Radiation Therapy (EBRT) refers to the delivery of tightly targeted radiation beams from outside the body. A course of EBRT involves several daily treatments (fractions) over a few days to a few weeks. The radiation oncology team controls the radiation machine (usually a linear accelerator) to generate and direct the radiation beams. EBRT usually delivers X-rays (also called photons) but can also use electrons or other rarer particles such as protons. These have different properties which can be useful for different cancers or settings. The experience for the patient is similar to having an X-ray or CT scan – there is no sensation of being treated.

EBRT involves targeted radiation beams being delivered from outside the body. It is a non-invasive method of delivering radiation to a tumour. The radiation beams are shaped as...