Primary and Secondary Lesions

Question 1

Vesicle > 1 cm

Answer 1

Bulla

Question 2

Blisters, pemphigus vulgaris

Answer 2

Bulla

Question 3

Palpable. Elevated, circumscribed, encapsulated lesion in dermis or subcutaneous layer

Answer 3

Cyst

Question 4

Flat, circumscribed lesion changed from normal color of skin.

Answer 4

Macule

Question 5

Freckles, nevi (small moles)

Answer 5

Macule

Question 6

Elevated, firm “marble-like” circumscribed lesion deeper in dermis than a papule
1-2cm

Answer 6

Nodule

Question 7

Erythema nodosum, fungal infection, lipoma, neoplasms, sarcoidosis, tuberculosis

Answer 7

Nodule

Question 8

Elevated, firm circumscribed area

Answer 8

Papule

Question 9

Lichen planus, mastocytoma, wart

Answer 9

Papule

Question 10

Flat, non-palpable irregulary shaped macule >1cm

Answer 10

Patch

Question 11

Cafe-au-lait patch, mongolian spots, port-wine stains, vitiligo

Answer 11

patch

Question 12

Cafe-au-lait patch is also known as

Answer 12

birthmark

Question 13

Red, purple, nonblanching discoloration

Less than 0.5cm
Greater than 0.5cm

Answer 13

Petechiae or purpura

Petechiae
Purpura

Question 14

Caused by RBCs leaking out of capillaries. Trauma is most common cause

Answer 14

Petechiae and purpura

Question 15

Directly associated with disease process

Answer 15

Primary lesions

Question 16

Differential for ecchymoses must always include

Answer 16

physical abuse

Question 17

DIC, Henoch-Schonlein purpura, RMSF, and thrombocytopenia

Answer 17

Petechiae and purpura

Question 18

Elevated, firm and rough lesion with flat top surface > 1 cm

Answer 18

Plaque

Question 19

Actinic keratosis, psoriasis, and seborrheic keratosis

Answer 19

plaque

Question 20

Elevated, superficial lesion similar to a vesicle but with purulent fluid (pus)

Answer 20

Pustule

Question 21

Acne, folliculitis, impetigo

Answer 21

Pustule

Question 22

Fine, irregular red lines due to capillary dilatation

Answer 22

telangiectasia

Question 23

Acne rosacea

Answer 23

telangiectasia

Question 24

Elevated, solid lesion deep in dermis >2cm

Answer 24

tumor

Question 25

Benign tumors, neoplasms

Answer 25

tumor

Question 26

Elevated, circumscribed superficial lesion filled with serous fluid

Answer 26

Vesicle

Question 27

Blister, contact dermatitis, herpes simplex virus, varicella chickenpox, shingles herpes zoster

Answer 27

vesicle

Question 28

Transient

Answer 28

Wheal (hive,urticaria)

Question 29

Involves deeper dermis and hypodermis (subcutaneous) tissue. Associated with ACE inhibitors such as lisinopril

Answer 29

Angioedema

Question 30

Mast cell degranulation in superficial dermis with resulting vascular permeability. Pruritic from histamine release

Answer 30

Wheal (hive, urticaria)

Question 31

Pruritic

Answer 31

Itchy

Question 32

Wheal (hive, urticaria) will or will not blanch?

Answer 32

Blanch

Question 33

Allergic reactions, insect bites, urticaria cause

Answer 33

wheals (hive, urticaria)

Question 34

Primary skin lesions with modifications

Answer 34

Secondary skin lesions

Question 35

Thinning of skin surfaces and loss of skin markings

Answer 35

Atrophy

Question 36

Thin appearing, wrinkled surface

Answer 36

Epidermal atrophy

Question 37

Results in a detectable depression

Answer 37

Dermal atrophy

Question 38

Aged skin, striae

Answer 38

Atrophy

Question 39

Dried serum, blood, or purulent exudates

Answer 39

crust

Question 40

Results from ruptured vesicles, pustules, or bullae. Usually multicolored

Answer 40

Crust

Question 41

Atopic dermatitis, contact dermatitis, impetigo, scabs

Answer 41

crust

Question 42

Loss of part of epidermis with glistening, depressed moist appearance. Incomplete loss of dermis

Answer 42

Erosion

Question 43

Ruptured vesicle or bulla

Answer 43

Erosion

Question 44

Loss of epidermis leaving a linear, hollowed-out crusted area

Answer 44

Excoriation (scratch)

Question 45

Abrasions, scabies, scratches

Answer 45

Excoriation (scratch)

Question 46

Linear crack from epidermis to dermis

Answer 46

fissure

Question 47

angular cheilitis, funal infection (tinea pedis)

Answer 47

Fissure

Question 48

Dermal thickening associated with inflammation. Loss of elasticity and pliability

Answer 48

Induration

Question 49

Red, inflamed, thickened, and tender

Answer 49

induration

Question 50

Cellulitis, neoplasm, scleroderma

Answer 50

induration

Question 51

Irregular, elevated progressively enlarging scar growing beyond wound boundaries. Often following surgery

Answer 51

Keloid

Question 52

Excessive collagen formation during healing

Answer 52

Keloid

Question 53

Common in African Americans

Answer 53

Keloid

Question 54

Rough, thickened epidermis due to persistent rubbing, itching, or skin irritation.

Answer 54

Lichenification

Question 55

Visible and palpable skin thickening with accentuated skin lines

Answer 55

Lichenification

Question 56

Lichenification usually involves __________ surfaces

Answer 56

flexor

Question 57

Chronic dermatitis

Answer 57

lichenification

Question 58

Heaped up, kearatinized cells from corneum manifesting as flaky skin due to imperfect cornification

Answer 58

Scale

Question 59

Can be dry or oily | Normally silver/white or tan

Answer 59

Scale

Question 60

Actinic keratosis, eczema, psoriasis, seborrheic dermatitis

Answer 60

scale

Question 61

Fibrous tissue that replaces normal skin following injury to dermis

Answer 61

scar

Question 62

Loss of epidermis and dermis, typically concave

Answer 62

ulcer

Question 63

Reveals hypodermis (subcutaenous tissue) Blue or reddish

Answer 63

Ulcer

Question 64

May include fibrotic tissue or eschar formation

Answer 64

Ulcer