dermatology - lesion terminology 2 Flashcards

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1
Q

petechiae (skin)
- definition
- size

A

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

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2
Q

purpura (skin)
- definition
- size

A

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)

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3
Q

ecchymosis (skin)
- definition
- size

A

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

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4
Q

papules - acuminate
- definition

A

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

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5
Q

papules - dome-shaped
- definition

A

forms a rounded hemispheric shape

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6
Q

papules - filiform
- definition

A

thread-like

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7
Q

papules - pedunculated
- definition

A

has a stalk

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8
Q

papules - sessile
- definition

A

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

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9
Q

papules - umbilicated
- definition

A

has a small depression in the middle

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10
Q

papules - verrucous
- definition

A

looks warty

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11
Q

granulation tissue - define

A

mass of new capillaries and fibrous tissue in a healing wound

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12
Q

granuloma - define

A

type of inflammation that’s full of histiocytes

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13
Q

desquamation - define

A

skin coming off in little scales

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14
Q

psoriasiform - define

A

scales that are large flakes, white or silvery

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15
Q

pityriasiform - define

A

scale that is powdery

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