| abstract |
The present invention is directed to provide a tumor sealant that causes no serious side effects or radiation by the agent and is used in a therapy that is an improvement of a very simple and low invasiveness therapy of starving tumor cells and makes radical cure possible. The present invention relates to a particle tumor sealant that can be injected. directly into needle-accessible tumor and that cuts off and/or isolates tumor tissue from surrounding tissue including blood vessels by permeating through blood vessels in the tumor site, selectively accumulating in and/or adhering to tumor tissue, swelling with water in the body, settling for a certain time and pressing tumor and peritumoral cells and/or blood vessels, and covering the whole tumor, or a particle tumor sealant that cuts off between blood vessels in a tumor site and tumor tissue. |