cancer
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Cancer. Chapter 26. Terminology. Cancer - An uncontrollable growth of abnormal cells Tumor - An abnormal mass of tissues that has no natural role in the body Benign tumor - A tumor that is not cancerous Malignant tumor - A cancerous tumor that may spread through the blood or lymph nodes. - PowerPoint PPT PresentationTRANSCRIPT
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CancerChapter 26
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Terminology• Cancer- An uncontrollable growth of
abnormal cells• Tumor- An abnormal mass of tissues
that has no natural role in the body– Benign tumor- A tumor that is not
cancerous– Malignant tumor- A cancerous tumor that
may spread through the blood or lymph nodes
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Terminology• Biopsy- Removal of a
small piece of tissue to be examined for cancer, inflammation or disease
• Metastasis- The spreading of cancer from its original point to other parts of the body
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Terminology
• Remission- A period of times when the symptoms of cancer (or disease) disappear
• Carcinogen- A cancer causing agent– Ex.- Cigarette smoke, ultraviolet radiation…
etc
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Detection
• Self exams– Testicular exams-
Checking for lumps or fluid mass in scrotum
– Breast- Checking for lumps in the breasts
– Skin- Looking for abnormal change in moles, freckles and skin in general
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Treatments
• Oncologist- A doctor who specializes in the treatment of cancer– Surgery- Removal of cancerous masses
(tumors) from the body– Radiation therapy- Using radioactive rays
to destroy cancerous cells and shrink cancerous masses
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Treatments
– Chemotherapy- Use of chemicals to destroy cancerous cells
– Immunotherapy- Activates the immune system to recognize specific cancers and destroy them
– Hormone therapy- Use of medication to interfere with the production of hormones. This kills cancer cells or slows their growth.
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Smoking and CancerAnnual Deaths Among
Smokers Attributable to Smoking-Related Diseases
Age of Smoking Initiation Among Adult Daily
Smokers
Tobacco Use Among Middle School
Students
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Prostrate Cancer
• Prostate- Male reproductive organ that produces seminal fluid
• Risk for cancer increases with age• Screenings should begin around age 50
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Oral Cancer
• Use of spit tobacco increases risk• Leukoplakia- Red or white patches
inside the mouth– Develop from use of spit tobacco
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CAUTION
• C- Change in bowel habits• A- A sore that does not heal• U- Unusual bleeding or discharge• T- Thickening or lump (in the breast/testes
or elsewhere)• I- Indigestion or difficulty swallowing• O- Obvious change in a wart or mole• N- Nagging cough or hoarseness