JOEL derm terms

Question 1

circumscribed change in color w/o elevation or depression (not palpable)

Answer 1

macule or patch

Question 2

macule vs patch

Answer 2

macule is smaller <10mm
patch is >10mm

Question 3

freckles is an example of?

Answer 3

macules

Question 4

superficial, elevated solid lesion
<5mm

Answer 4

papule

Question 5

plateau-like elevation; well defined; large SA compared to height
fundamental or from coalescence of papules

Answer 5

plaque

Question 6

palpable, solid, round or ellipsoidal lesion
can be hard or soft but not fluctuate

Answer 6

nodule

Question 7

how does nodule differ from papule

Answer 7

depth and size

Question 8

diff between ill-defined and well defined

Answer 8

ill defined is deep and can be better felt than seen

Question 9

what does fluctuate mean

Answer 9

you push on it and there is no fluid

Question 10

pale red papule or plaque that is rounded or flat topped caused by edema in papillary body of dermis

Answer 10

wheal

Question 11

how fast does wheal heal

Answer 11

most times in 1-2 days

Question 12

circumscribed, elevated, superficial cavity containing clear-yellowish or red/black fluid

Answer 12

vesicle or bulla

Question 13

diff between vesicle and bulla

Answer 13

vesicle is <5mm
bulla is >5mm

Question 14

circumscribed superficial cavity of the skin that contains PURULENT exudate (white, yellow, green, hemorrhagic)

Answer 14

pustule

Question 15

serum, blood or purulent exudate dries on skin surface

Answer 15

crust

Question 16

flakes from thickening of stratum corneum/abnormal keratinization and shedding

Answer 16

scale

Question 17

defect in epidermis that heals w/o scarring and sharply defined

Answer 17

erosion

Question 18

erosions is a result of…

Answer 18

always from intraepidermal or subepidermal cleavage (vesicle or bullae)

Question 19

skin defect that extends into the dermis or deeper and is always secondary & always scars

Answer 19

ulcer

Question 20

fibrous tissue replacement of tissue defects that can be hypertrophic or atrophic

Answer 20

scar/keloid

Question 21

long, narrow opening or crack in skin; excessively dry skin; lichenification

Answer 21

fissure

Question 22

diminution of some or all layers of skin

Answer 22

atrophy

Question 23

epidermal vs dermal atrophy

Answer 23

epidermal is cigarette paper like wrinkling
dermal is depressed lesions

Question 24

scale vs crust

Answer 24

scale: thickening of stratum corneum; adherent, white, fine, yellow & greasy, hyperkeratotic
Crust: dried endogenous material; serous, hemorrhagic, honey-colored

Question 25

erosion vs ulcer

Answer 25

Erosion is loss of epidermis & non-scarring
Ulcer is loss of epidermis & dermis; scarring

Question 26

excoriation vs lichenification

Answer 26

Excoriation: linear erosions from scratching
Lichenification: thickening of skin w/ accentuation of skin markings; occurs w/ scratching or rubbing

Question 27

petechiae vs purpura (non-blanching)

Answer 27

Petechiae: pinpoint red-brown macules d/t intradermal hemorrhage
Purpura: larger intradermal hemorrhagic papules and plaques; may be palpable

Question 28

go look at other stuff in LO

Answer 28

ok boss!