1. What you need to know to prevent it
Skin Cancer
What you need to know to prevent it

2. Known Causes Exposure to Ultraviolet light Infections Chemicals
Physical trauma

3. Type I: Basal Cell Carcinoma
Least malignant
Most common
Involves stratum basale
These cells no longer honor boundary between epidermis and dermis
Invade dermis and sucutaneous tissue

4. Treatment
Surgery
Cures 99% of the time

5. Type II: Squamous Cell Carcinoma
Involves keratinocytes of stratum spinosum
Location: scalp, ears, lower lip, dorsal side of hand
Rapid growth: goes to lymph nodes if not removed
Complete cure if caught early

6. Type III: Malignant Melanoma
Cancer of the melanocytes
5% of skin cancers
Quickly spreads to lymph nodes
Survival rate is not good

7. About Melanoma 6000-7000 new cases per year
80% increase in last ten years
Families with moles at greater risk
Women: lower limbs
Men : on the back
Huge increase in incidence in year olds.

8. Major signs of Melanoma
Change in size: has it grown recently?
Larger than blunt end of pencil?
Asymmetrical

9. Shape Is there a change in shape?
Recent development of irregular out-line or map-like edge? Does it appear different in shape to other moles?

10. Color Is there a change in COLOR? Has it become darker?
Does it have two or more shades of brown?
Most tend to be brown or black, but can have color

11. Other Suspicious Signs of Melanoma
Change in sensation (Does it itch? Have you become aware of the mole?)
Inflammation (Is there any redness or swelling?)
Bleeding (Does the mole bleed when knocked? Does it ooze or crust?)