Chemotherapy
Chemical treatment is the drug through the blood vessels into the body, all the cells have an effect on the body. This treatment is sometimes referred to as "cytotoxic therapy", as used in drugs are harmful, even with a toxic, the body cells, whether malignant cells are damaged.
The clinical application of chemotherapy, there are four ways:
1. Advanced or disseminated tumors with systemic chemotherapy
Patients with this type of cancer is usually due to a lack of other effective treatment, often beginning on the use of chemotherapy, the latest in order to achieve mitigation. It will be of such chemotherapy is usually referred to as induction chemotherapy. Such as the introduction of chemotherapy failed to use other programs during chemotherapy, known as rescue therapy.
2. Chemotherapy
Refers to the local treatment (surgery or radiotherapy), the targeting micrometastases may exist to prevent their recurrence and metastasis of chemotherapy conducted. For example, osteosarcoma, testicular cancer and high-risk breast cancer patients after adjuvant chemotherapy can significantly improve the efficacy, improve survival or disease-free survival.