Lesions

Front 1

Flat, circumscribed area that is a change in the color of the skin; less than 1cm in diameter

Examples: freckles, flat moles, petechiae, measles, scarlet fever

Back 1

Macule

Front 2

Macule

Back 2

freckles, flat moles, petechiae, measles, scarlet fever

Front 3

Back 3

macule

Front 4

Elevated, firm, circumscribed area less than 1 cm in diameter

Examples: wart, elevated moles, lichen planus, cherry angioma, neurofibroma, skin tag

Back 4

Papule

Front 5

Papule

Back 5

wart, elevated moles, cherry angioma, neruofibroma, skin tag

Front 6

Back 6

papule

Front 7

elevated, firm and rough lesion with flat top surface greater than 1cm in diameter

Examples: psoriasis, seborrheic and actinic keratoses, eczema

Back 7

plaque

Front 8

plaque

Back 8

psoriasis, seborrheic/actinic keratoses, eczema

Front 9

Back 9

plaque

Front 10

elevated irregular-shaped area of cutaneous edema; solid, transient; variable diameter

Examples: insect bites, urticaria, allergic reaction, lupus erythematosus

Back 10

wheal

Front 11

wheal

Back 11

insect bites, urticaria, allergic rxn, lupus erythematosus

Front 12

Back 12

wheal

Front 13

elevated, firm, circumscribed lesion; deeper in dermis than a papule; 1-2cm diameter

Examples: dermatofibroma erythema nodosum, lipomas, melanoma, hemangioma, neurofibroma

Back 13

nodule

Front 14

nodule

Back 14

dermatofibroma erythma nodosum, lipomas, melanoma, hemangioma, neurofibroma

Front 15

Back 15

nodule

Front 16

elevated and solid lesion; may or may not be clearly demarcated; deeper in dermis; greater than 2cm in diameter

Examples: neoplasms, lipoma, hemangioma

Back 16

tumor

Front 17

Tumor

Back 17

neoplasms, lipoma, hemangioma

Front 18

Back 18

Tumor

Front 19

Elevated, circumscribed, superficial, not into dermis; filled with serous fluid; less than 1cm in diameter

Example: varicella (chickenpox), herpes zoster(shingles), impetigo, acute eczema

Back 19

Vesicle

Front 20

Vesicle

Back 20

Varicella (chicken pox), herpes zoster (shingles), impetigo, acute eczema

Front 21

Back 21

Vesicle

Front 22

vesicle greater than 1cm in diameter

ex: blister, pemphigus vulgaris, impetigo, drug rxn

Back 22

Bulla

Front 23

Bulla

Back 23

blister, pemphigus vulgaris, impetigo, drug rxn

Front 24

Back 24

Bulla

Front 25

Elevated, superficial lesion; similar to vesicle but filled w/ purulent fluid

ex: impetigo, acne, folliculitis, herpes simplex

Back 25

Pustule

Front 26

pustule

Back 26

impetigo, acne, folliculitis, herpes simplex

Front 27

Back 27

pustule

Front 28

Elevated, circumscribed, encapsulated lesion; in dermis or subcutaneous layer; filled w/ liquid or semisolid material

ex: sebaceous cyst, cystic acne

Back 28

cyst

Front 29

cyst

Back 29

sebaceous cyst, cystic acne

Front 30

Back 30

Cyst

Front 31

heaped-up keratinized cells; flaky skin; irregular; thick or thin; dry or oily; variation in size

Ex: flaking of skin with seborrheic dermatitis following scarlet fever or flaking of skin following drug rxn; dry skin, pityriasis rosea, eczema, xerosis

Back 31

scale

Front 32

scale

Back 32

flaking of skin with seborrheic dermatitis following scarlet fever or flaking of skin following drug rxn; dry skin, pityriasis rosea, eczema, xerosis

Front 33

Back 33

Scale

Front 34

Rough, thickened epidermis secondary to persistent rubbing, itching, or skin irritation; often involves flexor surface of extremity

EX: chronic dermatitis, psoriasis

Back 34

lichenification

Front 35

lichenification

Back 35

chronic dermatitis, psoriasis

Front 36

Back 36

lichenification

Front 37

irregular-shaped, elevated, progressively enlarging scar; grows beyond the boundaries of the wound

Ex:formation following surgery

Back 37

Keloid

Front 38

Keloid

Back 38

formation after surgery

Front 39

Back 39

keloid

Front 40

thin-to-thick fibrous tissue that replaces normal skin following injury or laceration to the dermis

Ex: healed wound or surgical incision

Back 40

scar

Front 41

scar

Back 41

healed wound or surgical incision

Front 42

Back 42

scar

Front 43

loss of epidermis; linear hollowed-out crusted area

Ex: abrasion or scratch, scabies

Back 43

Excoriation

Front 44

excoriation

Back 44

abrasion or scratch, scabies

Front 45

Back 45

excoriation

Front 46

linear crack or break from the epidermis to the dermis; may be moist or dry

Ex: athlete's foot, cracks at the corner of the mouth, chapped hands, eczema, intertrigo labialis

Back 46

Fissure

Front 47

Fissure

Back 47

athlete's foot, cracks at the corner of the mouth, chapped hands, eczema, intertrigo labialis

Front 48

Back 48

Fissure

Front 49

dried drainage or blood; slightly elevated; variable size; colors variable- red, black, tan, mixed

Ex: scab on abrasion, eczema

Back 49

Crust

Front 50

Crust

Back 50

scab on abrasion, eczema

Front 51

Back 51

Crust

Front 52

loss of part of the epidermis; depressed, moist, glistening; follows rupture of a vesicle or bulla

Ex: varicella, variola after rupture, candidiasis, herpes simplex

Back 52

erosion

Front 53

Erosion

Back 53

varicella, variola after rupture, candidiasis, herpes simplex

Front 54

Back 54

Erosion

Front 55

loss of epidermis and dermis; concave; varies in size

Ex: pressure ulcer, stasis ulcer, syphilis chancre

Back 55

ulcer

Front 56

ulcer

Back 56

pressure ulcer, stasis ulcer, syphilis chancre

Front 57

Back 57

Ulcer

Front 58

thinning of the skin surface and loss of skin markings; skin appears translucent and paperlike

Ex: aged skin, striae, discoid lupus erythematosus

Back 58

Atrophy

Front 59

Atrophy

Back 59

aged skin, striae, discoid lupus erythematosus

Front 60

Back 60

atrophy

Front 61

tiny flat reddish-purple nonblanchable spots in the skin less than 0.5cm in diameter; appear as tiny red spots pinpoint to pinhead in size

Cause: tiny hemorrhages w/in dermal or submucosa- caused by intravascular defects and infection

Back 61

petechiae

Front 62

Back 62

petechiae

Front 63

flat, reddish-purple, nonblanchable discoloration in the skin greater than 0.5cm in diameter

cause: infection or bleeding disorders resulting in hemorrhage of blood into skin

Back 63

purpura

Front 64

purpura

Back 64

senile, actinic purpura, thrombocytopenic purpura

Front 65

Back 65

purpura

Front 66

reddish-purple, nonblanchable spot of variable size

cause: trauma to the blood vessel resulting in bleeding under the tissue

Back 66

ecchymosis (bruise)

Front 67

Back 67

ecchymosis (bruise)

Front 68

benign tumor consisting of a mass of small blood vessels; can vary in size from very small to large

Back 68

angioma

Front 69

angioma

Back 69

cherry angioma, hemangioma, cavernous hemangioma, strawberry hemangioma

Front 70

Back 70

angioma

Front 71

type of angioma that involves the capillaries within the skin producing an irregular macular patch that can vary from light red to dark red to purple in color

ex: port wine stain, stork bite

Back 71

capillary hemangioma (nevus flammeus)

Front 72

capillary hemangioma (nevus flammeus)

Back 72

port wine stain, stork bite

Front 73

Back 73

capillary hemangioma (nevus flammeus)

Front 74

permanent dilation of preexisting small blood vessels resulting in superficial, fine, irregular red lines within the skin

Back 74

telangiectasia

Front 75

telangiectasia

Back 75

essential telangiectasia, hereditary hemorrhagic telangiectasia, spider telangiectasia

Front 76

Back 76

telangiectasia

Front 77

type of telangiectasia characterized by a small central red area with radiating spiderlike legs; this lesion blanches with pressure

Back 77

vascular spider (spider angioma)

Front 78

Back 78

vascular spider (spider angioma)

Front 79

type of telangiectasia characterized by a nonpalpable bluish, star-shaped lesion that may be linear or irregularly shaped

Back 79

venous star

Front 80

Back 80

venous star