HLTH 101 Lecture Notes - Lecture 12: Pelvic Examination, Mammography, Stomach Cancer
15 Apr 2017
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Document Summary
Without treatment cancer cells continue to grow replacing healthy cells. Cancer cells may also metastasize or spread to other parts of the body via blood stream or lymphatic system. Early detection and treatment is the key to survival. Heredity- first degree- mother, sister, or daughter (breast cancer) same way father/ mother for lung cancer. Infectious agents- hpv- connection to cervical cancer and helicobacter pylori with stomach cancer and in certain leukemia and lymphomas. Cancers are classified according to the type of cell and the organ in which they originate. Carcinoma- starts in epithelium, the layers of cells that over the body"s surface or the internal organs and glands. Sarcoma- forms in the supporting, or connective, tissues of the body, bones, muscles, blood vessels. Leukemia- begins in blood forming tissues, bone marrow, lymph nodes and spleen. Lymphoma- arises in the cells of lymph system, the network that filters the impurities. Lung cancer mainly result of lifestyle choices.
