cancers of the skin

Question 1

Ultraviolet radiation is a proven human carcinogen (WHO Group 1 carcinogen)

Answer 1

yep

Question 2

presentation:

• punched out- red plaque or nodule
• gritty scale
• met. potential
• can be deepply invasive

Answer 2

squamous cell carcinoma

Question 3

squamous cell carcinoma can arise from pre-existing

Answer 3

actinic keratoses

** rough, scaly patch on your skin that develops from years of exposure to the sun. … Also known as a solar keratosis, an actinic keratosis enlarges slowly and usually causes no signs or symptoms other than a patch or small spot on your skin

Question 4

keratoachanthoma

Answer 4

squamous cell carcinoma:

• rapidly growing, exophytic
• very low met risk
• spontaneous remission

Question 5

Bowen’s disease

Answer 5

squamous cell carcinoma:

• slow growing
• flat with silver scale
• arsenic exposure
• esophageal cancer link

Question 6

A
B
C
D

Answer 6

A- asymmetry
B- border irregular
C- color change or more than 1 color
D- diameter change or more than 6mm

Question 7

dysplastic nevus

Answer 7

atypical mole- mole whose appearance is different from that of common moles. they are more likely to develop into melanoma and individuals with multiple dysplastic nevi are at increased risk for developing melanoma

Question 8

Melanoma type:

least aggressive, often arises on head/neck in sundamged skin

Answer 8

Lentigo Maligna –

Question 9

Melanoma type:

– most aggressive

Answer 9

Nodular Melanoma

Question 10

Melanoma type:

most common melanoma in non-Caucasian populations, but least common melanoma overall

Answer 10

Acral Lentiginous –

Question 11

Breslow Depth –

Answer 11

depth measured from the stratum granulosum to the deepest point of invasion:

Question 12

treatment of BCCs and SCCs

Answer 12

electrodesiccation and curretage

Question 13

radiation therapy in treatment of BCCs and SCCs

Answer 13

not the best, tumor might recur due to radiation exposure

Question 14

melanoma treatment

Answer 14

excised