Stereotactic radiosurgery (also called radiotherapy) is the use of multiple small beams to deliver radiotherapy treatment, from different angles and planes, shaped to the size of the tumour. It is most often used on small, well-defined tumours. Three-dimensional imaging is used to determine the exact coordinates of the tumor to localize it. Contrary to its name, it is a non-surgical radiation therapy that can be used as an alternative to invasive surgery.
Its biggest benefits over conventional therapy are:
Different kinds of stereotactic radiosurgery may be used, depending on the type of cancer and where it is located in the body. Stereotactic radiosurgery is used to treat brain and spinal cancers.
Stereotactic body radiation therapy (SBRT) offers the same benefits as stereotactic radiosurgery and is used to treat similar tumours at extracranial sites like Head and neck cancer, lung, liver, pancreatic and pediatric tumours.
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