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Dermatology > Describing Lesions > Flashcards

Describing Lesions Flashcards

1
Q

What is a lesion

A

Any single area of altered skin.

May be solitary or multiple

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2
Q

What is an eruption

A

Widespread eruption of lesions

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3
Q

What is pruritus

A

Medical term for itch

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4
Q

What is erythema

A

Redness of the skin or mucous membranes causes by hyperemia

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5
Q

What does dermatitis mean in general

A

Inflammation of the skin

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6
Q

What is a macule

A

flat area of altered skin colour

includes freckles!

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7
Q

What is a patch

A

Large, flat area of altered colour

Usually smooth

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8
Q

What is a papule

A

Raised lesion of <0.5cm in diameter

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9
Q

What is a nodule

A

Raised lesion of >0.5cm in diameter

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10
Q

What is a plaque

A

Palpable scaling lesion >0.5cm

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11
Q

What is a vesicle

A

Raised, clear fluid- filled lesion <0.5cm

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12
Q

What is a bulla

A

raised , fluid filled lesion >0.5cm

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13
Q

What is a pustule

A

a purulent (i.e filled with neutrophils) vesicle

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14
Q

What is an abscess

A

localised collection of pus surrounded by damaged/inflammed tissue

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15
Q

What is a comedone

A

plugged follicular orifice - pore
Open comedone: blackhead
Closed comedones: whiteheads

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16
Q

What is a wheal

A

Edematous papule or plaque due to dermal oedema

17
Q

What is excoriation

A

loss of epidermis due to scratching

18
Q

What is lichenification

A

well defined roughening of skin

19
Q

What is scaling

A

increase in the death of cells on the skin surface

20
Q

What is a crust

A

rough surface consisting of dry exudate

21
Q

What is a scar

A

new fibrous tissue which occurs as a wound is healing

May be atrophic, hyperthrophic or keloidal

22
Q

What is a fissure

A

epidermal crack due to excess dryness

23
Q

What is an erosion

A

loss of some or all of the epidermis leaving a denuded surface

24
Q

What is an ulcer

A

loss of epidermis and dermis

Dermatology (14 decks)

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