The purpose of this program is to demonstrate the use of radiation therapy in the management of cancer. The program begins with a discussion of the factors which can be used to determine the appropriate treatment for cancer. Next, the film discusses the use of the isodose chart in planning therapy. The program includes in this discussion dose distribution and the indication of radiation therapy in specific types of cancers. The program also provides two case studies to illustrate the use of radiation therapy in the management of cancer. The first case is a woman with a tumor involving the external cervical os which extends into the left fornix. This tumor was a Stage II B tumor which responded to radiation therapy. The program shows the physical examination and treatment sequence. Then the program demonstrates radiation therapy with the goal of palliation in a patient with a six month history of difficulty swallowing food and recent weight loss. The esophogram demonstrated a mid-thoracic obstructive lesion which proved to be a squamous cell carcinoma which was treated by a rotating beam technique. The program then discusses, in less detail, radiation therapy alone and in conjunction with other types of therapy in children with Wilm's tumor, and adults with carcinoma of the larynx, and Hodgkins disease.
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American Cancer Society; Source: Item; Research date: 11/03/2011