Name ______
Skin Cancer
How Cancer Occurs
§ Cancer develops only in cells with ______(mutations).
o If the genes that regulate the cell cycle are damaged, the cells will divide out of control
§ Mutations can be inherited or caused by exposure to:
v ______
v ______
v ______
o ______with certain viruses can cause mutations.
o ______plays a major role in cancer prevention.
Skin Cancer
§ Related to exposure to ultraviolet (____) radiation from the ______as well as ______.
§ Three types of UV radiation: ______.
§ ______and have potential to cause skin cancer.
§ UVA is associated with ______.
§ UVB is associated with ______.
§ UVC is the ______.
– Artificial UV sources may also generate UVC rays
n UVC is potent ______radiation
n Earth’s ______filters natural UVC
¨ Prevention
¤ ______
¤ ______
¤ ______
¤ ______
Types of Skin Cancer
Basal Cell Carcinoma
¨ Begins in the ______of the skin
¨ Usually occurs in places that have been exposed to the sun (ex – ______)
¨ Most common type of skin cancer in people with ______
¨ ______to other parts of the body
Squamous Cell Carcinoma
¨ Begins in the ______
¨ Usually occurs in places ______(ex – legs and feet)
¨ Most common type of skin cancer in people with ______
¤ In people with fair skin, this cancer would appear where they have been exposed to the sun
¨ Able to spread to other parts of the body (______)
Melanoma
¨ If you are high risk for malignant melanoma, check skin regularly for skin legions that:
n ______
n ______
n ______
n ______
¨ ______to other parts of the body
¨ Prevention
¤ Limit sun exposure
¤ Use sunscreens
¤ Wear protective clothing when exposed to sunlight
¤ Avoid artificial sources of UV light (i.e., tanning beds)
Reducing Skin Cancer Risk
¨ Follow ACS’s recommendations for cancer screening tests.
¨ Know warning signs of cancer and see your health care provider immediately if you detect any.
¨ When in the sun, takes steps to limit UV radiation exposure.
¨ Avoid unnecessary exposure to ionizing radiation, such as x-rays and UV light.
¨ Don’t lie in the sun or tanning beds.
¨ Avoid direct sun exposure between 10 a.m. and 4 p.m.