Testing Procedures

Types and dosages of drugsAlkylating agents , antimetabolites, plant alkaloids , topoisomerase inhibitors , antibiotics, anti-tumor : the majority of chemotherapy agents can be divided . And all these drugs affect to some extent on the synthesis and division , or function of DNA .Some newer agents do not act directly on the DNA . This is the case for tyrosine kinase inhibitor new imatinib mesylate, and directly target the molecular abnormalities in certain types of cancer ( cancer of the blood , and colon cancer ) .Other drugs affect the behavior of cancer cells without attacking the cells directly . Including hormones for this type of adjuvant therapy .Dose of chemotherapy can be very difficult : too low a dose to the tumor to be ineffective , while in excessive toxicity would be unbearable for the patient. Therefore it has been established in many hospitals " testing procedures " to get proper treatment.In general , and a dose of " body surface " of the patient, is set approximately by calculating the size and weight. Recently , scientists have small pumps on the surface of cancer cells to expel chemotherapy within the cell that have been identified . This research is a P -glycoprotein and other such waste micropumps active. Inhibitors - P -glycoprotein function has been run since June 2007 , and increase the effectiveness of chemotherapy

Brachytherapy

Chemotherapy because of the effect of the split , and the growth of tumors ( leukemia or Hodgkin's disease ) are more likely to treat , such as the vast majority of the cancer cells to make continuous cell division .Cancer cells are the result of several consecutive mutations of normal cells , which generally leads to the differentiation of other cells . Due to the special function in the body over time , and the cancer cells by mutations and gradually this differentiation and the normal operation of the collection lose . Chemicals used in chemotherapy more effective tumors affect " younger " (ie differences ) , there are usually kept in a cell at a higher level of differentiation at least the initial part of the process , and to control the spread. Also for the center of solid tumors , in particular, there is more cell division , which makes these cells resistant to chemotherapy . Another problem with solid tumors that are rarely used and the means of access to the center of the tumor. To resolve this issue , we use brachytherapy and surgery of course .

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