Ch12[1]
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Ch12[1]

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    Ch12[1] Ch12[1] Presentation Transcript

    • Cancer BasicsX The abnormal, uncontrolled growth of cells, which if left untreated, can ultimately cause deathX 85 million Americans will develop cancer at some time in their livesX Benign tumors: do not spread to neighboring tissuesX Malignant tumors: can invade surrounding structures and spread to distant sites Mayfield Publishing Company
    • Cancer_ Cells dividing uncontrollably form an initial visible mass or "primary" tumor. Once cells from the primary tumor break off, secondary tumors develop. All new secondary tumors are labeled by the High---- --Low type of the primary tumor. Mayfield Publishing Company
    • Common CancersX Lung cancer – responsible for nearly 157,000 deaths each year – 87% of cases involve tobacco smokeX Colon and rectal cancer – linked to diet and genetic predispositionX Breast cancer – most common cancer in womenX Prostate cancer – most common cancer in men Mayfield Publishing Company
    • Cancers of the Female Reproductive TractX Cervical cancer – more than 80% of cases are sexually transmitted – Pap test used for screeningX Uterine (endometrial) cancer – most often occurs after age 55X Ovarian cancer – rare and difficult to detect Mayfield Publishing Company
    • Skin CancerX Caused by excessive exposure to ultraviolet (UV) radiationX 3 types of skin cancer – basal cell – squamous cell – melanomaX Use sunscreen and wear protective clothing Mayfield Publishing Company
    • Other CancersX Oral cancer – cancers of the lip, tongue, mouth, throat – primarily traced to smoking, spit tobacco, excessive alcohol consumption – more than twice as common in men as in womenX Testicular cancer – most common cancer in men age 29-35X Bladder cancer, pancreatic cancer, leukemias, lymphomas Mayfield Publishing Company
    • Cancer Risk FactorsX TobaccoX Diet and obesityX Sedentary lifestyleX Family history of cancerX Occupational factorsX Viruses and other biological agentsX AlcoholX Environmental pollutionX Ultraviolet radiation Mayfield Publishing Company
    • Preventing CancerX Avoid tobaccoX Control diet and weightX Exercise regularlyX Protect skin from sunX Avoid environmental and occupational carcinogensX Follow ACS screening guidelines Mayfield Publishing Company