Technology in Medicine Radiation Machines Used to Treat Cancer

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Technology in Medicine Radiation Machines Used to Treat Cancer Norfalia Foster DeVry University Table of Contents Introduction 3 Thesis Statement 4 Discussion 4 Radiotherapy - A Constant Technological Progress 4 Recent Technological Advances 5 Intensity Modulated Radiation Therapy (IMRT) 5 Helical Tomo-Therapy 7 Stereotactic Radio-surgery (SRS / SBRT) 9 Psychological Considerations of Cancer Treatment 11 Fear of Recurrence 11 Grief 11 Depression 12 Spirituality 12 Sociological Effects of Cancer Treatment 12 Life and the Workplace 12 Survivor Guilt 13 Relationships 13 Economic Questions and Considerations of Cancer Treatment 13 Conclusion 14 References 15 Technology in Medicine Radiation Machines used to treat Cancer Introduction Radiation therapy or Radio therapy is based on using ionizing radiation for the purpose of controlling or killing malignant cells. It is used for the purpose of cancer treatment because it has the ability to control the growth of cancer cells and thus prevents them from growing and reproducing. The treatment is based on the usage of ionizing radiation (X-rays or radioactivity), which includes gamma rays and alpha particles (Vikram et al. 2009). This action can also be exerted on normal tissues; however, tumor tissues are more sensitive to radiation and cannot repair the damage as efficiently as does the normal tissue. They are destroyed so as to block the cell cycle. The radiotherapy equipment is a healthcare technology and therefore must comply with the regulation of medical devices for marketing. Radiotherapy is a treatment that has been used for a century and has evolved with scientific advances in physics, the Oncology and computers, improving the hardware and precision, quality and indication

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