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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

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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

  • The main difference between melanoma and other skin cancers is that melanoma can

  • spread to distant body sites including the lungs, liver or brain.



Squamous Cell Carcinoma


Melanoma

*Seventh most common cancer in the

United States.

*One out of every 105 Americans born in 1991

will develop malignant melanoma

(compared to 1 out of 1,500 in 1935).

*The number of new cases of melanoma has more

than doubled since 1973.


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


Top 8 Invasive Cancers

in the U.S.

Prostrate

Breast

Lung

Colon

Lymphoma

Bladder

Melanoma

Rectal


ABCDs

  • Asymmetry

  • Border

  • Color

  • Diameter


Asymmetry

One half does not match

the other half.


Border irregularity

The edges are ragged, notched,

or blurred.


Color

The pigmentation is not uniform.

Shades of tan, brown, or black are

present. A mottled appearance.


Diameter

Greater than ¼ inch. Any sudden

or continuing increase in size is

of special concern.




Ultraviolet (UV) Radiation

  • The sun radiates energy over a broad spectrum of

  • wavelengths. UV radiation, which has a shorter

  • wavelength than visible blue or violet light, is

  • responsible for sunburns and other health effects:

  • Skin cancer

  • Cataracts

  • Suppression of the immune system

  • Premature aging of the skin


Sunburns

An increased risk of melanoma

related to the frequency of sunburns

during all periods of life. More than five

sunburns doubled the melanoma risk,

irrespective of the time in life.


Prevention of Skin Cancer

Cover up

Use Sunscreen always!

Wear hats

Wear sunglasses

Avoid Tanning Beds


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