Radioactive Seed Implantation Therapy
Aug 21, 2022
Seed implantation, known as "radioactive seed implantation therapy," is a treatment that places a radioactive source inside a tumor to destroy it. The technology of seed implantation involves radioactive sources, the core of which is radioactive particles. The current clinical use is a substance called iodine-125. Each iodine-125 particle is like a small sun, with the strongest rays near its center, minimizing damage to normal tissue. Seed implantation therapy dates back to the beginning of the last century. At present, radioactive seed implantation for the treatment of early prostate cancer has become the standard treatment in the United States and other countries, and its treatment concept has gradually been recognized in China.
Radioactive seed implantation therapy mainly relies on the stereotactic system to accurately implant radioactive particles into the tumor, and emit continuous and short-distance radiation through the micro radiation source, so that the tumor tissue suffers maximum damage, while the normal tissue is not damaged or only minor damage. Experts believe that compared with other tumor treatment technology, radioactive seed implantation treatment technology itself is not high technical content, difficulty is not big. However, since it is implanted directly into the human body, and it is a radioactive source, the indications should be strictly controlled.
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