dermatology - lesion terminology 2

Question 1

petechiae (skin)
- definition
- size

Answer 1

blood that’s under the skin but not in a blood vessel, like a bruise
< 3mm

Question 2

purpura (skin)
- definition
- size

Answer 2

blood thats under the skin, but not in a blood vessel, like a bruise
3mm-1cm

(some places are defining purpura as a catch-all term for all bruising, with petechiae and ecchymoses being a subset of these)

Question 3

ecchymosis (skin)
- definition
- size

Answer 3

blood that’s under the skin, but not in a blood vessel
> 1 cm

Question 4

papules - acuminate
- definition

Answer 4

pointed shape, a sharp tapered point (a cone?)

Question 5

papules - dome-shaped
- definition

Answer 5

forms a rounded hemispheric shape

Question 6

papules - filiform
- definition

Answer 6

thread-like

Question 7

papules - pedunculated
- definition

Answer 7

has a stalk

Question 8

papules - sessile
- definition

Answer 8

appears to be stuck-on to the skin. no stalk

Question 9

papules - umbilicated
- definition

Answer 9

has a small depression in the middle

Question 10

papules - verrucous
- definition

Answer 10

looks warty

Question 11

granulation tissue - define

Answer 11

mass of new capillaries and fibrous tissue in a healing wound

Question 12

granuloma - define

Answer 12

type of inflammation that’s full of histiocytes

Question 13

desquamation - define

Answer 13

skin coming off in little scales

Question 14

psoriasiform - define

Answer 14

scales that are large flakes, white or silvery

Question 15

pityriasiform - define

Answer 15

scale that is powdery