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Radiation therapy is used to kill cancer cells; however, normal cells are also damaged in the process. Currently, therapeutic doses of radiation can be targeted to tumors with great accuracy using linear accelerators in radiation oncology; however, when irradiating using external beam radiotherapy, the beam will always need to travel through healthy tissue, and the normal liver tissue is very ...
Selective internal radiation therapy (SIRT) can be used to destroy the tumor using selective injection of the artery or arteries supplying the tumor with a radioisotope agent. The agent is typically Yttrium-90 (Y-90) incorporated into embolic microspheres that lodge in the tumor vasculature, causing ischemia and delivering their radiation dose ...
Stereotactic External-Beam radiation Therapy, sometimes called SBRT is now being used to treat Small Cell Lung Cancer, and Sarcomas that have metastasized to the lungs. The high doses used in thoracic SBRT can sometimes cause adverse effects ranging from mild rib fatigue and transient esophagitis , to fatal events such as pneumonitis or hemorrhage.
SIR-Spheres microspheres are used to treat patients with unresectable liver cancer. These are mostly patients with hepatocellular carcinoma (HCC), metastatic colorectal cancer (mCRC), or metastatic neuroendocrine tumours (mNET). [1] Therapy goals are local disease control, downstaging to resection, bridging to transplantation, and extended ...
Sirtex Medical Limited is a medical device firm that offers radioactive treatment for inoperable liver cancer called SIR-Spheres microspheres. [1] Sirtex was founded in 1997 in Australia and today has offices and production facilities in the U.S., Australia, Germany, and Singapore.
Hypertension, atrial fibrillation and smoking pose a stronger risk for severe stroke, according to a new study. However, lifestyle changes can help prevent stroke.
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Altered brain structure in chemotherapy patients provides explanation for cognitive impairment. [12] Another study in 2007 investigated the differences in brain structure between two adult, monozygotic twin females. One underwent chemotherapy treatment for breast cancer, while the other did not have cancer and was not treated with chemotherapy.