Radiotherapy and Chemotherapy in Pancreatic Cancer Treatment

Radiotherapy and chemotherapy are mainly used forsurgery, in these cases, doesn't appear to have any
palliative purposes in pancreatic cancer. Radiotherapyadditional survival benefit. Radiotherapy can also be
and chemotherapy are usually combined with surgery,used to reduce pain and other symptoms associated
the main modality of treatment, in pancreatic cancer.chemotherapy
management.Chemotherapy involves administration of drugs that
Radiotherapykill the cancer cells. chemotherapy is a form of
Radiation therapy is a form of local therapy in that itsystemic therapy. chemotherapy drugs not only kill
only affects the cells in the treated areas. Duringthe cancerous cells, but also the normal cells of the
radiotherapy cancer sites are exposed to high dosebody resulting in various side effects.
of ionizing radiation(x-rays) which kills the cancer cells.Chemotherapy drugs are usually given through
External beam radiation therapy is the mostinjection. After the drug enters the bloodstream it
commonly used mode of radiation therapy inreaches different areas of the body killing cancerous
pancreatic cancer. Nearby normal structures may alsocells, which have spread from the original site of
be damaged during radiotherapy. Hence the dose ofcancer.
radiotherapy has to be carefully calculated .ThePancreas cancer is highly resistant to chemotherapy
patient usually receives 5 doses of radiotherapy adrugs. Currently available chemotherapeutic drugs are
week for several weeks or months.not effective in killing pancreas cancer cells. This is
Radiation therapy can be administered prior toone of the reasons for the high mortality rates in
surgery, preoperatively or after surgery,pancreas cancer. Chemotherapy, at present, is not
postoperatively. If patient is scheduled to undergoused for curative purposes but only for palliative
surgery preoperative radiotherapy is preferred aspurposes i.e. alleviation of symptoms
preoperative radiotherapy can reduce the tumor bulkGemcitabine and 5-flourouracil are the most
and help in performing surgery. Radiotherapycommonly used drugs in the treatment of pancreatic
immediately after the surgery may not be feasible,cancer.
as the patient will be recovering from the surgeryTo read more about treatment of pancreatic cancer
and radiotherapy may actually delay the recovery.and other cancer related articles visit my site
Radiotherapy can be used in combination withonlinecancersupport.
chemotherapy to treat metastasized cancers as