Treatment Results

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Radiosurgery Center

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Following CyberKnife treatments our patients have periodic follow-up appointments for CT and/or MRI scans, or laboratory tests to track the treatment's progress. Results from the scans and tests will show if the tumors have stopped growing, have become inactive or have disappeared.

Brain tumor

"It has been a little more than 24 months since treatment. The patient continues to be symptom free. Her last scan (Oct.2008) continues to show the tumor to be stable without growth. Although she recalls having come through her operation in 1999 without complication, she was appreciative to have an alternative to surgical treatment that did not expose her to the risk of infection, bleeding or arecoverytime"...
Read more about this brain tumor case study on page A5

Breast cancer

"In addition, I also explained that CyberKnife treatment of early-stage breast cancer patients was a very new treatment option - in fact she would be one of the first three breast-cancer patients treated in the United States with CyberKnife. With 1-mm accuracy, "...
Read more about this breast cancer case study

Prostate cancer

This graph shows the mean PSA responses over 36 months for 35 low- and intermediate-risk patients treated at Seattle CyberKnife (now Swedish Radiosurgery Center). All patients are free from PSA relapse...
Learn more about the PSA reponses at Swedish Radiosurgery Center

FDA approval

The Food and Drug Administration approved CyberKnife as a treatment for tumors in the head, neck and upper spine in 1999. In 2001 the FDA approved CyberKnife as a treatment for tumors anywhere in the body.