-
Circumscribed area of color change
No elevation or depression (flat)
Variable sizes
macule
-
Solid, raised lesion
No greater than 5 mm
papule
-
Much like papule but deeper
Usually firmer
Often larger than papule
nodule
-
Skin elevation (raised)
Often covers large areas
Can be a result of coalesced papules
plaque
-
Circumscribed elevation of skin
Contains purulent material (exudate)
pustule
-
Circumscribed, elevated
Contains fluid, usually clear
Less than 5mm size
vesicle
-
A larger vesicle
Greater than 5 mm
bulla
-
-
fluid filled sac anywhere on body
cyst
-
when skin peels off bc something happened to it- usually not to the level of a burn
desquamation
-
-
ex: impant defib and skin has eroded away,
skin is pulled away
erosion
-
pt has scratched the skin creating skin changes
excoriation
-
a split in the skin, can be second to dry skin cracking
fissure
-
purple colored spots and patches
purpura
-
vessels that have come up to the surface, esp on the face,
can be a sign of systemic dz
alcoholism
sun exposure
telangiectasia
-
med used to reduce inflammation:
corticosteroid
-
4 common vehicles:
- ointments
- creams
- lotions
- gels
-
Water suspended in oil
Lubricant
Reduces water loss through dermis
Least tolerable
Not useful in hairy areas
ointments
-
Semi-solid emulsion of oil in water
Less potent than ointments
Better tolerated
Cosmetically acceptable
creams
-
Powder in water
Least potent
Good for larger areas
Useful for hairy areas
Used for drying “wet” lesions
lotions
-
Oil in water with an alcohol base
Dries easily
Provides benefit of ointment
Cosmetic equivalent of cream
Works well in hairy areas / acne
gels
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