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CyberKnife for
Prostate Cancer

One in every six men will develop this disease during his
lifetime. A diagnosis of prostate cancer can be frightening, since it may
threaten a
man’s life and his sexuality. Seek medical attention promptly, because if
prostate cancer is detected early - when it’s still confined to the prostate
gland - the chances for successful treatment with minimal or short-term side
effects significantly increase.
We’ve got the answer: CyberKnife for Prostate Cancer
The FDA approved CyberKnife Stereotactic Radiosurgery in 2001
for the treatment of tumors anywhere in the body. The concept of
CyberKnife is to use hundreds of small radiation beams coming from different
angles to deliver a high dose to the prostate where all the beams converge.
The surrounding rectum and bladder are more effectively spared from the high
dose radiation because only a small fraction of the beams will pass through any
point in those normal structures.
Patient
Benefits
- Convenience
- No need for anesthesia or surgery
as with prostate seed implants.
- Urinary catheter is not required.
- Treatment is completed in 5 days
rather than 9 weeks as with conventional radiation.
- Urinary and rectal symptoms last
an average 2 weeks as opposed to several months.
Without pre-existing erectile
dysfunction or incontinence, your risk for developing these conditions is very
low.
Effectiveness
Other forms of radiation such as prostate seed implantation or external beam
treatment (IMRT/IGRT) have been shown to be equivalent in effectiveness to
surgery for favorable risk disease. CyberKnife represent an evolution of
radiation therapy rather than a revolution, and the science being this treatment
is well established. In fact, the biological characteristics of prostate cancer
make it uniquely suited to treatment with CyberKnife Radiosurgery. Early
results from patients with low risk prostate cancer have been excellent, with a
rapid fall in the PSA, and no reported PSA failures. Long-term results
with this treatment are not yet available. |