skin cancer:
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Skin Cancer:. Giana Bowers Mr. Case. Skin Cancer. Most common cancer in US Fastest increasing cancer in US 1,000,000 people have some form of skin cancer . Skin Cancer. Three main types -- basal-cell -- squamous-cell -- melanoma - PowerPoint PPT PresentationTRANSCRIPT
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Skin Cancer:
Giana BowersMr. Case
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Skin Cancer•Most common cancer in US
•Fastest increasing cancer in US
•1,000,000 people have some form of skin cancer
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Skin Cancer
• Three main types-- basal-cell-- squamous-cell-- melanoma
The main difference between melanoma and other skin cancers is that melanoma canspread to distant body sites including the lungs, liver or brain.
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Basal Cell Carcinoma
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Squamous Cell Carcinoma
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Melanoma*Seventh most common cancer in the United States.
*One out of every 105 Americans born in 1991will develop malignant melanoma(compared to 1 out of 1,500 in 1935).
*The number of new cases of melanoma has morethan doubled since 1973.
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Melanoma (cont.)
• Most common cancer in young adults age 25-29• Among women age 30-35, incidence is exceeded only by breast cancer• Incidence increasing 4% annually, higher than any other cancer• On average, one melanoma death in the U.S. per hour
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Top 8 Invasive Cancers in the U.S.
ProstrateBreastLungColonLymphomaBladderMelanomaRectal
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ABCDs•Asymmetry
•Border
•Color
•Diameter
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Asymmetry
One half does not matchthe other half.
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Border irregularity
The edges are ragged, notched, or blurred.
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Color
The pigmentation is not uniform.Shades of tan, brown, or black arepresent. A mottled appearance.
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Diameter
Greater than ¼ inch. Any suddenor continuing increase in size is of special concern.
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Normal Mole
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Malignant Mole
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Ultraviolet (UV) Radiation
The sun radiates energy over a broad spectrum ofwavelengths. UV radiation, which has a shorterwavelength than visible blue or violet light, isresponsible for sunburns and other health effects:
• Skin cancer• Cataracts• Suppression of the immune system• Premature aging of the skin
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Sunburns
An increased risk of melanomarelated to the frequency of sunburnsduring all periods of life. More than fivesunburns doubled the melanoma risk, irrespective of the time in life.
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Prevention of Skin Cancer
Cover upUse Sunscreen always!Wear hatsWear sunglassesAvoid Tanning Beds