Skin Cancer

Question 1

What are the three common types of skin cancer

Answer 1

Basal cell carcinoma
squamous cell carcinoma
malignant melanoma

Question 2

what is the pre cancerous lesion called

Answer 2

actinic keratosis

Question 3

what does this lesion help with

Answer 3

early detection

Question 4

what is prevalence proportional to

Answer 4

age (time spent in the sun)

Question 5

and inversely proportional to what

Answer 5

melatonin content

Question 6

what is melatonin

Answer 6

pigment produced by melanocytes

Question 7

Etiology

Answer 7

excessive expose to sunlight (UV damage)

the damage is cumulative

Question 8

what are moles called

Answer 8

nevus/nevi

Question 9

can they become malignant

Answer 9

yes

Question 10

Basal Cell Carcinoma origin

Answer 10

basal cells of the epidermis

Question 11

where are these lesions found

Answer 11

head, neck, face

Question 12

what do the lesions look like

Answer 12

dome shaped, uniform

Question 13

diagnosis

Answer 13

biopsy

Question 14

Squamous cell carcinoma origin

Answer 14

keratinocytes

Question 15

exposed areas

Answer 15

head, neck face

Question 16

faster progression than basal cell carcinoma?

Answer 16

yes

Question 17

lessons look like…

Answer 17

there is a variable appearance with the lesions

Question 18

where will this skin cancer infiltrate

Answer 18

other structures

• blood vessels
• hair follicles
• sub q layer

Question 19

how does metastasis occur with squamous cell carcinoma

Answer 19

via regional lymph nodes and blood vessels

Question 20

where does malignant melanoma originate

Answer 20

melanocytes

Question 21

why is this the worst form of skin cancer

Answer 21

rapidly progresses

Question 22

does it metastasize easily

Answer 22

yes

Question 23

lesions are found where

Answer 23

exposed and non exposed areas

Question 24

what should you do if you note a lesion

Answer 24

be suspicious and note the changes

Question 25

What should you document

Answer 25

A- asymmetry
B- border
C- colour
D- diameter
E- elevation

Question 26

where will this met to

Answer 26

brain, bone, liver

Question 27

Treatment

Answer 27

detect early

surgery: excision