Brachytherapy for cancer in India

 


Brachytherapy in India

Brachytherapy is a form of radiation therapy in which radiation is delivered locally to a tumor (as opposed to external radiation). Since brachytherapy delivers radiation directly to a tumor, it is less likely than external radiation to damage healthy tissue.Brachytherapy is most often used as a palliative therapy, a therapy done to relieve symptoms such as bleeding or to open airways, but not to cure lung cancer.

Types of Brachytherapy

Brachytherapy for cancer in India Medium-dose rate (MDR) Brachytherapy is characterized by a medium rate of dose delivery generally used for lungs, breasts
Brachytherapy for cancer in India Pulsed-dose rate (PDR) Brachytherapy involves short pulses of radiation, typically once an hour, to simulate the overall rate and effectiveness of LDR treatment. Typical tumour sites treated by PDR brachytherapy are gynaecological
Brachytherapy for cancer in India Permanent brachytherapy, also known as seed implantation, involves placing small LDR radioactive seeds or pellets (about the size of a grain of rice) in the tumour or treatment site and leaving them there permanently to gradually decay. Over a period of weeks or months, the level of radiation emitted by the sources will decline to almost zero. The inactive seeds then remain in the treatment site with no lasting effect. Permanent brachytherapy is most commonly used in the treatment of prostate cancer. eye, head and neck region (lip, floor of mouth, tongue, nasopharynx and oropharynx), urinary tract (bladder, urethra, penis), female reproductive tract (uterus, vagina, vulva), and soft tissues.

 

Side Effects of Brachytherapy

Brachytherapy for cancer in India If temporary brachytherapy is used, no radioactive sources remain in the body after treatment. Therefore, there is no radiation risk to friends or family from being in close proximity with them.
Brachytherapy for cancer in India If permanent brachytherapy is used, low dose radioactive sources (seeds) are left in the body after treatment - the radiation levels are very low and decrease over time. In addition, the irradiation only affects tissues within a few millimeters of the radioactive sources (i.e. the tumour being treated).
Brachytherapy for cancer in India As a precaution, some people receiving permanent brachytherapy may be advised to not hold any small children or be too close to pregnant women for a short time after treatment. Radiation oncologists or nurses can provide specific instructions to patients and advise for how long they need to be careful.

 

 

 

 

 

 

 

 

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Brachytherapy for cancer in India   Brachytherapy for cancer in India
     
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