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derm > DESCRIBING SKIN LESIONS AND RASHES > Flashcards

DESCRIBING SKIN LESIONS AND RASHES Flashcards

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Dermatology Board Prep flashcards
1
Q

When describing a skin lesion, what is a macule?

A

A flat non-palpable lesion (skin discolouration)

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2
Q

When describing a skin lesion, what is a patch?

A

A flat non-palpable lesion that is larger than 1 cm (if smaller than 1 cm then it is called a macule)

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3
Q

When describing a skin lesion, what is a papule?

A

A small raised lesion of less than 0.5 cm

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4
Q

When describing a skin lesion, what is a nodule?

A

A large raised lesion of more than 0.5 cm.

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5
Q

When describing a skin lesion, what is a plaque?

A

Elevated or sunken, flat lesion. Classic of psoriasis.

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6
Q

When describing a skin lesion, what is a vesicle?

A

Small fluid-filled lesion of less than 0.5 cm.

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7
Q

When describing a skin lesion, what is a bulla?

A

A large fluid filled lesion of more than 0.5 cm.

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8
Q

When describing a skin lesion, what is a pustule?

A

A pus filled lesion.

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9
Q

When describing a skin lesion, what is an erosion?

A

An area of skin from which the epidermis alone is lost

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10
Q

When describing a skin lesion, what is an ulcer?

A

An area of skin from which the epidermis and part of the dermis is lost

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11
Q

What does atrophy with regard to skin lesions?

A

Thinning of the skin due to partial loss of one or more of the tissue layers of the skin.

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12
Q

When describing the surface characteristics of a skin lesions, what does scaley mean?

A

There are white flakes of keratin

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13
Q

When describing the surface characteristics of skin lesions, what does warty mean?

A

Rough / papillomatous surface

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14
Q

When describing the surface characteristics of skin lesions, what does crusty mean?

A

That there is dried exudate

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15
Q

With reference to a skin lesion, what does excoriation mean?

A

Superficial ulceration secondary to scratching by the patient.

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16
Q

With reference to a skin lesion, what does lichenification mean?

A

Flat surfaced epidermal thickening

17
Q

With reference to a skin lesion, what does umbilicated mean?

A

That there is a dimple in the lesion, much like a belly button.

18
Q

How would you describe the shape of this lesion?

A

Annular

19
Q

How would you describe the shape of this lesion?

A

Linear

20
Q

How would you describe the shape of this lesion?

A

Serpiginous

21
Q

How would you describe the shape of this lesion?

A

Discoid

22
Q

How would you describe the shape of this lesion?

A

Target

23
Q

How would you describe the shape of this lesion?

A

Arcuate

24
Q

How would you describe the shape of this lesion?

A

Reticulate

25
Q

Describe the following skin lesion.

A

Macule of hyperpigmentation

Localised

Unknown location

Well defined border

No surface characteristics

26
Q

Describe the following skin lesion.

A

Red Nodule

Unknown location

Well defined border

No surface characteristics

27
Q

Describe the following skin lesion.

A

Papule

Localised

Perinasal

No surface characteristics

28
Q

Describe the following skin lesion.

A

Fluid filled Bulla

Forearm

Well defined edge

29
Q

Describe the following skin lesions.

A

Fluid filled vesicles

Circular with some fusion

Clustered

Unknown location

30
Q

Describe the following skin lesions.

A

Plaques

Scaley

Well defined border

Clustered with some fusion

Unknown location

31
Q

Describe the following skin lesion.

A

Erosion

Erythematous

Unknown location

Erosion has a well defined border, however, underlying erythematous rash is not so well defined.

32
Q

What do we call this?

A

Telangiectasia

33
Q

Describe the following skin lesion.

A

Pustules

Surrounded by small areas of erythematous skin, which is poorly defined.

Clustered

Unknown location

34
Q

Describe the following skin lesion.

A

Ulcer

Dorsal side of the foot (classic location for arterial ulcer)

Up to a cm deep

Well defined border

Surrounded by area of exudate (appears slightly infected)

derm (6 decks)

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