Permanent prostate brachytherapy, also known as radiation seed implant, involves the insertion of radioactive seeds into the prostate with the intention of destroying the cancerous cells in place. These seeds are very small, actually smaller than a grain of rice.

Brachytherapy is a two step process that is done on an outpatient basis at the hospital. The first step is to determine the size of the prostate by performing a transrectal ultrasound. During the ultrasound, information is taken and sent to a computer to create a three dimensional model. The doctor uses this information to determine the number of seeds and their placement to best meet the needs of each patient.

The second step involved the physician inserted the seeds into the prostate through the perineum, the space between the testicles and the anus, using needless or applicators guided by ultrasound. After the procedure, xrays are taken to verify the quality and the location of the seed placement.

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