11:709:364 Lecture Notes - Lecture 89: Osteoma, Bronchus, Leukemia
10 Aug 2020
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Document Summary
Cancer: abnormal division and reproduction of cells that can spread throughout the body crowding out normal cells and tissues. 2nd most common cause of death in the us. Males: prostate (20% new cases, lung and bronchus (13% new cases, colon and rectum (9% new cases) Females: breast (30% new cases, lung and bronchus (13% new cases, colon and rectum (8% new cases) Males: lung and bronchus (24% of deaths, prostate (10% of deaths, colon and rectum (9% of deaths) Females: lung and bronchus (23% of deaths, breast (15% of deaths, colon and rectum (8% of deaths, pancreas (8% of deaths) Carcinogen: physical, chemical or viral agent that induces cancer. All cancer is genetic, but only a small percentage is hereditary . Oncogenes: altered genes that promote tumor growth and changed programmed cell death (apotosis) Tumor suppressor genes: genes that suppress tumor growth; become inactivated in cancer cells leading to unregulated cell growth. Estimated percentage of cancer cases caused by.
