Can radiofrequency Ablation be used for intestinal tumors

Radiofrequency ablation (RFA) is the treatment of tumor by using electrode needle puncture into the center of tumor tissue. Under the action of 290kHz alternating current, ions in the tissue friction generate heat, and then cause tissue degeneration and necrosis, which inactivates tumor tissue cells in situ, and the inactivated cancer tissue is absorbed by the body and generates immune response. Radiofrequency ablation for local tumor treatment is accepted because of its rapid tissue heating, up to 60-95℃, irreversible necrosis of tissue, complete hemostatic effect, easy to master the heating range, and easy to use. Radiofrequency ablation (RFA) has achieved positive efficacy in the treatment of tumors. It has direct destructive effect on tumor tissue and can destroy and cut tumors. Local treatment of radiofrequency ablation tumor the highest temperature can reach 95 ℃ above, also can be up to around 60 ℃, can not only fast treatment of giant tumors but also can treat tumors, less than 3 cm in diameter on the surrounding vascular coagulation effect, can not continue to the tumor blood supply, and between the cancer and normal tissue in the formation of a reaction zone, tumor, To a certain extent, it can prevent tumor metastasis, but has little effect on surrounding tissues. In addition, local hyperthermia can enhance the body immunity and play an important role in curbing the regression of primary and metastatic tumors in other parts of the body. Radiofrequency ablation can significantly reduce the tumor burden by reducing the degeneration and necrosis of tumor cells, changing some inhibitory factors in the local environment of the body, and restoring and enhancing the immune function of T cells and NK cells

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