Novalis Shaped Beam Surgery
About the Surgery
Novalis is a state-of-the-art treatment device for patients undergoing stereotactic
radiosurgery or fractionated stereotactic radiotherapy. Stereotactic radiosurgery
is applied in a single session with a high dose of radiation. Fractionated stereotactic
radiotherapy is administered in a series of treatment sessions over a specified
period of time.
With Novalis, the radiation beams are shaped to match the exact contour of the tumor
or lesion so that even irregularly shaped tumors or lesions can receive doses of
radiation totally consistent with that prescribed. Sophisticated software calculates
the ideal access points to the tumor or lesion and defines the treatment plan.
During treatment, Novalis steadily moves around the patient's body so that the radiation
penetrates the tumor or lesion from different angles. While the tumor or lesion
receives the full dose of radiation, the surrounding healthy tissue only receives
a small percentage of the radiation, which reduces potential damage to delicate
structures such as the brainstem or spinal cord.
Novalis was first implemented for the treatment of brain tumors or lesions, where
pinpoint precision is required to focus radiation treatment on tumors or lesions
close to critical structures within the brain. Now, experts are taking advantage
of the accuracy of Novalis to treat other areas of the body, such as the lung, liver,
prostate and spine, to improve and increase the range of a patient's available treatment
options.