Chapter 115 :: Melanocytic Nevi

Question 1

The most important complication of congenital nevi is that they can give rise to melanoma

large- and giant-sized lesions

Answer 1

have greater risk

satellite nevi are associated with increased risk of melanoma

Question 2

treatment goal of Congenital Melanocytic Nevi

Answer 2

remove as much of the nevus as possible while preserving function and improving cosmetic appearance

Question 3

Lesion presents with two components, a light brown patch (café-au-lait) containing speckled dark macules or papules.

Answer 3

NEVUS SPILUS

Question 4

Lesions present with a central pink or brown nevus centrally, surrounded by a symmetric round or oval halo of depigmented skin

Answer 4

Halo nevi

Question 5

Other names for the halo phenomenon

Answer 5

leukoderma acquisitum centrifugum, Sutton nevus, leukopigmentary nevus, perinevoid vitiligo, and perinevoid leukoderma

Question 6

Lesions are jet black often with “starburst” appearance on dermoscopy

Reed nevus

Answer 6

PIGMENTED SPINDLE CELL NEVUS

Question 7

Clinically, they often present as red, domeshaped papules

Answer 7

SPITZ NEVUS

Question 8

lentigines are commonly present on the buccal mucosa, lips, perioral skin, and ventral surfaces of the hands and feet

Answer 8

Peutz-Jeghers syndrome

Question 9

hyperpigmented macules that occur on photodamaged skin, singly or as multiple lesions

Answer 9

SOLAR LENTIGO

Question 10

Management for dysplastic melanocytic nevi

Answer 10

Reexcision may be necessary to obtain a 5-mm margin if a dysplastic nevi with severe atypia is identified on histology