lesion types Flashcards
(38 cards)
1
Q
A
crust
2
Q
A
nodule
3
Q
erosion
A
loss of epidermis
(herpes, pemphigus)
4
Q
A
scar
5
Q
ulcer
A
deep erosion involving dermis; skin appears open
(venous stasis ulcer in diabetics)
6
Q
A
bullae
7
Q
A
macule
8
Q
nodule
A
palpable; extends into dermis/subQ
(cyst, fibroma, lipoma)
9
Q
plaque
A
elevated plateau; > 10mm; superficial
(psoriasis)
10
Q
A
excoriation
11
Q
A
urticaria
12
Q
crust
A
dried pus/blood/exudate on the surface from broken vesicles
13
Q
excoriation
A
linear erosion
(caused by scratching)
14
Q
A
plaque
15
Q
A
pustule
16
Q
vesicle
A
fluid-filled blister < 10mm
(eczema, herpes)
17
Q
pustule
A
papule filled with pus
(acne, folliculitis)
18
Q
scale
A
dry, whitish accumulation of epithelial cells
(fungal infx, chronic dermatitis)
19
Q
A
erosion
20
Q
A
papule
21
Q
A
purpura
22
Q
petechiae
A
small, non-blanchable punctuate foci of hemorrhage
23
Q
A
ulcer
24
Q
macule
A
flat, non-palpable color change
(freckles, port wine stain)
25
papule
elevated; palpable; \< 10mm
| (anything...wart, acne, mole)
26
tumor
27
purpura
larger, non-blanchable area of hemorrhage; may be palpable
(bruises, ecchymosis)
28
scar
fibrous tissue replacement after injury
29
atrophy
30
atrophy
paper-thin wrinkled and dry skin
| (hormonal change)
31
telangiectasia
32
tumor
large nodule \> 10mm
33
urticaria
transient elevated lesion due to localized edema
(wheals, hives - histamine rxn of mast cells)
34
vesicle
35
bullae
vesicle \> 10mm
| (blister, insect bite)
36
telangiectasia
dilated superficial blood vessels
| (often burst vessels)
37
scales
38
petechiae
