Archive for the ‘cancer’ Category
Friday, May 14th, 2010 90 views
Radiotherapy is a method capable of destroying tumor cells, using beam of ionizing radiation.
A pre-calculated dose of radiation is applied at a given time, a volume of tissue encompassing the tumor, seeking to eradicate all tumor cells, with the least possible damage to surrounding normal cells at the expense of ...
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Wednesday, May 12th, 2010 81 views
The most widely used anticancer agents in cancer treatment include polyfunctional alkylating, antimetabolites, antitumor antibiotics, mitotic inhibitors and others.
New drugs are continuously being isolated and applied experimentally in animal models before use in humans.
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Wednesday, May 12th, 2010 65 views
The biggest failure of anticancer chemotherapy is due to drug resistance. This resistance occurs because the cell populations or develop new encoding gene (mutation) or because they are encouraged to develop cell types resistant to being exposed to drugs, allowing them to engage in alternative pathways through the synthesis of ...
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Wednesday, May 12th, 2010 66 views
To avoid the toxic effects of chemotherapy and intolerable that they endanger the lives of patients, are obeyed criteria for the indication of chemotherapy. These criteria are varied and depend on the patient's clinical conditions and drugs selected for treatment. Below are listed some requirements ideal for the application of ...
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Wednesday, May 12th, 2010 72 views
Chemotherapeutic agents do not act exclusively on tumor cells. The normal structures that renew themselves constantly, as bone marrow, hair and mucosa of the gut are also affected by the action of chemotherapy.
However, because normal cells have an expected recovery time, unlike the anaplastic cells, it is possible that chemotherapy ...
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Friday, May 7th, 2010 92 views
The agents used in cancer treatment affects both the normal and neoplastic cells, but they cause more damage to malignant cells than to normal tissues due to quantitative differences between the metabolic processes of these two cell populations.
The cytotoxic are not lethal to tumor cells selectively. Differences between the ...
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Friday, May 7th, 2010 117 views
Chemotherapy is the method that uses chemicals, called chemotherapy in the treatment of diseases caused by biological agents.
When applied to cancer, chemotherapy is called antineoplastic chemotherapy or chemotherapy antiblastic.
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Wednesday, February 4th, 2009 928 views
This week one of our readers asked a picture about Lung Cancer. I think so in put more pictures about cancer in this blog. These are strong images and I advise you to don't see them. But if even in this case you want to see them I have none ...
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Wednesday, January 28th, 2009 436 views
The prostate cancer is the most common tumor in men over 50 years of age. With the progress of medicine and other areas that interfere with health, it is expected for the next decades a growing population of men reaching age well above that. It is, therefore, that more cases ...
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Wednesday, January 28th, 2009 448 views
The pancreatic cancer is the type of cancer / cancer of the pancreas more common - 90% of cases of malignant neoplasm of the body. Currently, is the 5th cause of cancer death in the West. Data from the National Cancer Institute (INCA) to pose as 2% of all types ...
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