Skin Morphology/ Therapy Intro

Question 1

macule

Answer 1

small less than 1cm lesion, flat (not palpable)

usually caused by color change, confined to epidermis

Question 2

patch

Answer 2

flat but greater than 1 cm

Question 3

questions to consider when describing lesion

Answer 3

size
shape
color
contents?
border- regularity, distinct
configuration
distribution

Question 4

plaque

Answer 4

raised lesions larger than 1 cm, caused by proliferation of cells in epidermis or superficial dermis

Question 5

papule

Answer 5

raised lesions less than 1 cm, proliferation of cells in epidermis/superficial dermis

Question 6

nodule

Answer 6

large, deep papule- overlying epidermis looks/feels nl, proliferation deeper

proliferation of cells down to mid dermis

Question 7

pustule

Answer 7

vesicle filled w/ pus- made of leukocytes and liquor puris

Question 8

vesicle

Answer 8

elevated, circumscribe and filled w/ clear fluid

less than 1 cm

Question 9

erosion

Answer 9

secondary lesion, loss of epidermis

can weep and become crusted, occur after top of vesicle peels off

Question 10

ulcer

Answer 10

erosion that involved the dermis, also secondary

ulcers often scar unlike erosions

Question 11

best location for ointments

Answer 11

non hairy skin, away from intertrigionous sites, on erosions

Question 12

best site for creams

Answer 12

intertriginous areas, minimal scale, ppl who dislike ointment

Question 13

rank topical steroids by strenght

Answer 13

clobetasol
fluocinonide
triamcinolone
desonide
hydrocortison

type/strength much more important than concentration for efficacy

Question 14

where to use super high potency CS

Answer 14

scalp, palms, soles, thick placques on extensor

Question 15

medium to high sites

Answer 15

milder conditions of trunk/extremities, intertriginous sites

Question 16

low potency sites

Answer 16

face, eyelid, genital, intertriginous

Question 17

local side effects of topicals

Answer 17

skin atrophy, telangiectasias, striae, acne, hypopigmentation

Question 18

scale

Answer 18

hyperkeratosis- accumulation of stratum corneum as seen in psoriasis and others

Question 19

excoriation

Answer 19

exogenous injury to epidermis

Question 20

lichenification

Answer 20

thickening (acanthosis) of epidermis, accentuated natural skin lines