Brachytherapy is a procedure of placing radioactive material inside the body of the patient to treat any sort of cancer. This process is often called internal radiation. Brachytherapy enables doctors to convey higher portions of radiation to progressively explicit regions of the body, contrasted and the regular type of radiation treatment (outer shaft radiation) that ventures radiation from a machine outside of your body.
Brachytherapy may cause fewer reactions than does outer pillar radiation, and the general treatment time is typically shorter with brachytherapy.
Brachytherapy is used to treat several types of cancer, including:
Bile duct cancer
Head and neck cancers
Soft tissue cancers
A portion of the symptoms of brachytherapy is like those seen with outside pillar radiation treatment, in spite of the fact that they are typically less extreme.
Instances of intense or prompt symptoms include:
Release in instances of vaginal or womb cancer.
Semen might be stained and, in uncommon cases, may contain ousted pellets. Patients are in this manner encouraged to utilize contraception during sex.
Pain and discomfort at the site of the implant
The general sentiment of weariness
Brachytherapy utilized for uterine, cervical, vaginal or prostate disease can prompt momentary urinary manifestations including urinary maintenance, torment on pee, incontinence, and failure to pee. Brachytherapy for these tumors can likewise prompt looseness of the bowels, stoppage and some rectal dying.
There can be varied factors that affect the costing of the procedure and many time external circumstances play an important role. The exact factors are:
State of the art technology
Brachytherapy isotope used
Individual spending capacity
Brachytherapy is an advanced form of radiation therapy. It is also known as internal radiation therapy. Radiation therapy is a type of cancer treatment in which ionizing radiation is used to destroy cancer cells and shrink the size of the tumors. The conventional form of radiation therapy is external beam radiation that projects radiation from a machine outside of the body. In case of internal radiation or brachytherapy, radioactive particles or sources that are internally placed in or next to the tumour site, are used to destroy cancer cells. Brachytherapy helps deliver a high radiation dose to the tumor, with minimal exposure to the surrounding healthy tissues.It thus allows delivering high doses of radiation to more-specific areas of the body.
Brachytherapy can be used for effective treatment of cervical, prostate, breast, skin, lung, head and neck, and gum cancer, in addition to tumors located in other parts of the body. Brachytherapy for prostate cancer is a commonly performed procedure. It is also used for the treatment of gum cancer as well. Brachytherapy is an alternative treatment for gum cancer and is conducted who are unfit to undergo a surgery or do not need one.
Brachytherapy can be completed in less time than other conventional radiotherapy techniques. Brachytherapy for prostate cancer and other cancers is often performed on an outpatient basis and patients typically have to take fewer brachytherapy sessions, as compared to external radiotherapy treatment for cancer. This makes brachytherapy more accessible and convenient to many patients. Most of the patients are able to tolerate brachytherapy very well with fewer side effects.
There are two types of brachytherapy treatment:
Brachytherapy treatment plan is created and governed by a radiation oncologist, who is a highly trained physician specializing in treating cancer with radiotherapy. The radiation oncologist will require a team, including a medical physicist, dosimetrist, radiation therapist, radiation therapy nurse and in some cases, a surgeon to conduct the procedure. However, the radiation oncologist is the one who evaluates the patient and determines the appropriate therapy, including how much radiation to deliver.
In permanent brachytherapy, needles that are pre-filled with the radioactive brachytherapy seeds are inserted into the tumor. Then the needle or device is removed, leaving the radioactive seeds behind. Sometimes these seeds may be implanted in sessions using a device that inserts them individually at regular intervals. An appropriate imaging means such as an ultrasound, X-ray, MRI or CT scan may be used to assist the physician in positioning brachytherapy seeds at the right place. After implantation, some additional imaging can be done to verify seed placement.
Temporary brachytherapy starts with placing a delivery device, such as a catheter, needle, or applicator, into the tumor. Methods of imaging such as an ultrasound, MRI, or CT scan will help position the radiation sources correctly. The delivery device can either be inserted into a body cavity such as vagina (intracavitary brachytherapy) or applicators such as needles or catheters can be inserted into body tissues (interstitial brachytherapy). Device implantation will depend on the location of cancer.
Radiation using brachytherapy procedure can be delivered at three different levels:
For patients who have received brachytherapy for prostate cancer or any other types of cancer, limiting physical activity for at least three to five days is important. You can experience some level of grogginess after the procedure, however, it will last for only a few hours. You will be prescribed a few emergency medicines that you can take in case you experience pain or any other type of discomfort.
There are some side effects associated with all kinds of radiation therapy. However, the acute, sub-acute, or long-term side effects of brachytherapy depend on the location of the tumor being treated and the type of brachytherapy being used.
Some acute side effects of brachytherapy are
But these are temporary side effects and usually resolve within a few days following completion of treatment.
Usually, brachytherapy does not cause any long-term side effects, but in a few cases, it may cause urinary and digestive problems. But in that case as well, long-term side effects are usually mild or moderate in nature and there are many palliative medicines that are available to cope with the symptoms.
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