Clinical Definitions Flashcards
1
Q
scale
A
accumulated fragments of the keratin layer
2
Q
crust
A
dried exudate e.g. serum
3
Q
lichenified
A
thickening of the skin with increased skin markings
4
Q
erosion
A
superficial break in the epidermis
5
Q
ulcer
A
deeper break in the dermis
6
Q
fissures
A
linear split in the epidermis
7
Q
scar
A
normal tissue replaced by fibrous tissue
8
Q
atrophy
A
loss of epidermis +/- dermis
9
Q
purpura
A
extravasation of blood that does not blanche (can be raised)
10
Q
petechiae
A
smaller area of purpura 1-2mm
11
Q
erythema
A
vascular dilation that blanches on pressure
12
Q
hypopigmentation
A
lack of melanin
13
Q
hyperpigmentation
A
increased melanin, hemosiderin or direct chemical staining
14
Q
macule
A
flat lesion <1cm
15
Q
patch
A
flat lesion >1cm
