Thursday, December 31, 2009

Facts About Cancer And Chemotherapy LR

By Lee Reid

Cancer patients may have no other choice but to resort to chemotherapy in order to treat their illness. In oncology, adjuvant chemotherapy plays an important role particularly in combination with other cancer treatments. Adjuvant chemotherapy is an additional treatment given to the patient after surgery to help prevent any cancerous cells that may have not been completely removed during surgery from developing or increasing in number. The health condition is often susceptible to relapses in cancer cases, since no specialist can foresee the evolution or involution of cancer cells.

Radiotherapy or regular chemical-based treatments are included in the adjuvant chemotherapy category and they are recommended by the doctors based on some statistical evidence which is employed in order to figure out whether there is low or high risk in relapse for the patient. Statistics indicate that about a third of the patients who have undergone adjuvant chemotherapy treatment have already been completely cured with the help of the surgery alone. For those who are not included in the above mentioned third, the long term purpose of the adjuvant chemotherapy is to lengthen the life of the cancer patients.

The types of cancer in which adjuvant chemotherapy is used are quite various and here we may include colon cancer, lung, pancreatic, breast and prostate cancer as well as some forms of gynecological cancers.

Beside the adjuvant chemotherapy, there is also another type of treatment that resembles the former in name; that is, neo-adjuvant chemotherapy. The neo-variant consists in the administration of drugs in the stage preceding the anti-cancer treatment per se. For example, neo-adjuvant chemotherapy may be prescribed to a breast-cancer patient who will undergo breast-removal surgery. The purpose of such a type of therapy is to reduce the size of the tumor so that there are fewer risks and a higher rate of success in the surgical intervention.

All in all, adjuvant chemotherapy is presently considered more rewarding in results when it is used in the aftermath of the operation rather than prior to it. As for the drug efficiency, the level is a lot higher when the treatment is administered intravenously; another way of enhancing drug efficiency is to use it locally in the exact body part attacked by cancer.

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