Skin

Question 1

A __________ is flat and less than 5 mm.

A _________ is flat and greater than 5 mm.

Answer 1

Macule; patch

Question 2

A __________ is elevated and less than 5 mm.

A __________ is elevated and greater than 5 mm.

Answer 2

Papule; plaque

Question 3

A ___________ is a discrete pus-filled lesion.

Answer 3

Pustule

Question 4

A _________ is a fluid-filled lesion less than 5 mm.

A _________ is a fluid-filled lesion greater than 5 mm.

Answer 4

Vesicle; bulla

Question 5

________ is a skin disease characterized by hives, papules, and plaques.

Answer 5

Urticaria

Question 6

What is the typical pathogenesis of acute urticaria?

Answer 6

Allergic reaction: dermal edema due to mast cells

Type I IgE hypersensitivity

Question 7

Spongiotic dermatitis is seen in __________.

Answer 7

Acute eczema

Question 8

T/F: Eczema is more common in childhood.

Answer 8

True

Question 9

Allergic eczema can be caused by a type ___ hypersensitivity reaction.

Answer 9

IV

CD4+ T cell mediated

Question 10

What are some common meds that will result in an EM reaction?

Answer 10

Sulfonamides, PCN, NSAIDs, hydroquinone

Question 11

What types of infections will cause EM reactions?

Answer 11

HSV and mycoplasma

Question 12

T/F: EM can vary in severity from just mucosal involvement (Stevens Johnson) to toxic epidermal necrolysis (TEN).

Answer 12

True

Question 13

T/F: EM is characterized by “targetoid” lesions.

Answer 13

True

Question 14

Psoriasis can involve lesions induced by local trauma (___________), and bleeding when scale is removed (_________).

Answer 14

Koebner; Auspitz sign

Question 15

The epidermal thickening with psoriasis is termed ____________.

Answer 15

acanthosis

Question 16

____________ is a bacterial infection that starts with small macule around nose or mouth and spreads with honey-colored crust.

Answer 16

Impetigo

Question 17

In pemphigus vulgaris there are ______ deposits throughout the epidermis.

Answer 17

IgG

Question 18

A fishnet pattern of IgG deposition is characteristic of ____________.

Answer 18

Pemphigus vulgaris

Question 19

Cytology atypia is characteristic of ____________.

Answer 19

Actinic keratosis/cheilitis

Question 20

T/F: SCC is of greater risk for invasion and metastasis on mucosal surfaces.

Answer 20

True

Question 21

What is the most common type of skin cancer?

Answer 21

Basal Cell Carcinoma

Question 22

__________ results in a pearly translucent nodule.

Answer 22

BCC

Question 23

What are the ABCDEs of moles and melanoma?

Answer 23

A: Asymmetry
B: Border
C: Color
D: Diameter
E: Evolution

Ways to distinct benign nevi from melanoma

Question 24

What is the key factor in nature of melanomas?

Answer 24

Vertical growth phase