skin cancer Flashcards
The damaged cells being to:
Grow & divide uncontrollably
Cancer develops when DNA becomes:
Damaged & the body can’t repair the damage
Skin cancers are divided into what two classes?
Nonmelanoma & melanoma
What is the deadliest form of skin cancer?
Melanoma
What is the most common cancer in humans?
basal cell carcinoma (BCC)
BCC develops in how many people every year in the United States?
1 million
About what percentage of all skin cancers are BCC?
80%
Where are basal cells located?
In the lowest layer of the epidermis
How can BCC appear?
Shiny translucent or pearly nodule(sore that continuously heals and then reopens)
Where do most BCCs appear?
face, ears, scalp, & upper trunk
BCC tend to what?
Grow slowly
In BCC, what do dermatologists encourage?
Diagnosis and treatment to prevent extensive damage to surrounding tissue
About 16% of diagnosed skin cancers are:
Squamous cell carcinoma (SCC)
What percentage of skin cancer is SCC?
16%
Where does squamous cell carcinoma begin?
Squamous cells
Where does BCC develop?
Basal cells