Dermatologic Malignancies

Question 1

A benign proliferation of a melanocyte.
Clusters in the lower epidermis or dermis.
Can be common or atypical and are named based on histologic locations

Answer 1

Nevus/Nevi (moles)

Question 2

When looking at a nevus, what are you looking for?

Answer 2

A= asymmetry
B= border
C= color
D= diameter
E= evolving

Question 3

What are ephiledes?

Answer 3

freckles, childhood onset, red headed, fair fitzpatrick Type 1-2

Question 4

What are solar lentigines?

Answer 4

adulthood onset, UV light induced, often darkens in the sun but does not completely fade.

Question 5

Multiple tan to dark brown macule, often irregular borders ranging from 2mm > 1cm
Distribution in face, hands, chest, forearms
Beware of a single lesion with irregularity because this indicates _______________

Answer 5

This is a solar lentigine
Lentigo Maligna

Question 6

Common, begin in 4th decade and increase in number
Dominant gene, runs in families
Dark brown, black, gray, warty “stuck on” macule and papule or even flat and pink
“liver spots” “ age spots:, often scared people to make an appointment.

Answer 6

Seborrheic Keratoses

Question 7

Which common benign skin lesion can mimic melanoma?

Answer 7

seborrheic keratoses

Question 8

What is the treatment for seborrheic keratoses?

Answer 8

not much
Amlactin lotion, glycolic lotion, cryoptherapy

Question 9

Bright red/pink 1-6 mm papule, common in upper extremities and trunk, appears during adulthood

Answer 9

cherry angiomas

Question 10

Vascular dark purple papules (congenital ones need monitoring and can be very large)

Answer 10

hemangiomas

Question 11

Common, skin colored pedunculate papules, often nerumerous and intertigiounous areas (neck folds, axillae, groin)

Answer 11

skin tags

Question 12

6-10 mm pink, tan or brown papule firm, dimples inward with lateral pressure, often in extremities

Answer 12

dermatofibroma