Skin Cancer: What You Should Know. Randy R. Weigel University of Wyoming Cooperative Extension Service. Skin Cancer. Most common cancer in US Fastest increasing cancer in US 1,000,000 people had some form of skin cancer in 2003. Skin Cancer. Three main types -- basal-cell
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What You Should Know
Randy R. Weigel
University of Wyoming
Cooperative Extension Service
Squamous Cell Carcinoma
*Seventh most common cancer in the
*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.
Wyoming and US, 1997
Wyoming United States
One half does not match
the other half.
The edges are ragged, notched,
The pigmentation is not uniform.
Shades of tan, brown, or black are
present. A mottled appearance.
Greater than ¼ inch. Any sudden
or continuing increase in size is
of special concern.
UVA – UVB - UVC
…We found 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.
British Journal of Dermatology
See Spot Change
Or, See Spot Kill!