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Low-dose rate (LDR) brachytherapy involves implanting radiation sources that emit radiation at a rate of up to 2 Gy·h −1. [81] LDR brachytherapy is commonly used for cancers of the oral cavity, [ 10 ] oropharynx , [ 10 ] sarcomas [ 1 ] : Ch. 27 and prostate cancer [ 1 ] : Ch. 20 [ 82 ]
Brachytherapy is a type of radiotherapy, or radiation treatment, offered to certain cancer patients. There are two types of brachytherapy – high dose-rate (HDR) and low dose-rate (LDR). LDR brachytherapy is the one most commonly used to treat prostate cancer. It may be referred to as 'seed implantation' or it may be called 'pinhole surgery'. [1]
Doctor reviewing a radiation treatment plan. In radiotherapy, radiation treatment planning (RTP) is the process in which a team consisting of radiation oncologists, radiation therapist, medical physicists and medical dosimetrists plan the appropriate external beam radiotherapy or internal brachytherapy treatment technique for a patient with cancer.
For local recurrences, irradiation with IORT is, besides brachytherapy, the only radiotherapeutic option if repeated EBRT is no longer possible. Generally, the normal tissue tolerance does not allow a second full-dose course of EBRT, even after years. [2] [3]
Prior to HDR, LDR (Low Dose Rate) brachytherapy was commonly in use for prostate cancer. Chief urologist of Docrates, Dr. Martti Ala-Opas, was the first one in Finland who utilized LDR brachytherapy for prostate cancer. Docrates Cancer Center has the longest and the most extensive experience in HDR-brachytherapy treatments for prostate cancer ...
Brachytherapy is commonly used as an effective treatment for cervical, [106] prostate, [107] breast, [108] and skin cancer [109] and can also be used to treat tumors in many other body sites. [110] In brachytherapy, radiation sources are precisely placed directly at the site of the cancerous tumor.
Iodine-125 (125 I) is a radioisotope of iodine which has uses in biological assays, nuclear medicine imaging and in radiation therapy as brachytherapy to treat a number of conditions, including prostate cancer, uveal melanomas, and brain tumors. It is the second longest-lived radioisotope of iodine, after iodine-129.
Rates for impotence when comparing radiation to nerve-sparing surgery are similar. Radiation has lower rates of incontinence compared with surgery, but has higher rates of occasional mild rectal bleeding. [33] Men who have undergone external beam radiation therapy may have a slightly higher risk of later developing colon cancer and bladder ...