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Dermatology > Terminology > Flashcards

Terminology Flashcards

1
Q

Primary lesion

A

Caused directly by disease process

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2
Q

Macule

A

Flat

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3
Q

Patch

A

Flat > .5 cm

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4
Q

Papule / pustule

A

Raised, domed,

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5
Q

Nodule

A

Raised, domed, > .5 cm

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6
Q

Papule

A

Raised, flat top,

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7
Q

Plaque

A

Raised, flat-top, > .5 cm

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8
Q

Vesicle

A

Blister (fluid filled)

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9
Q

Bulla

A

Blister (fluid filled) > .5 cm

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10
Q

Erosion

A

Denudation of epidermis only

Non-scarring

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11
Q

Ulcer

A

Denudation of epidermis and dermis

Scarring

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12
Q

Wheal

A

Edematous, transient, flat-topped plaque
Typical of urticaria (hives)
Center may appear lighter than edge

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13
Q

Secondary Features

A

Changes due to external factors, such as scratching, trauma, infection, or healing

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14
Q

Scale

A 
Thickening of stratum corneum
Adherent
White / fine (typical of xerosis)
Yellow / greasy (typical of seborrheic dermatitis)
Hyperkeratotic
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15
Q

Crust

A

Dried endogenous material

May be serous (common in eczema), hemorrhagic, or honey-colored (impetigo)

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16
Q

Excoriation

A

Linear erosions from scratching

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17
Q

Lichenification

A

Thickening of skin w/ accentuation of skin markings (ridged surface) due to chronic scratching / rubbing

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18
Q

Fissure

A

Linear crack in skin

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19
Q

Petechiae

A

Pinpoint red-brown macules due to intradermal hemorrhage. Non-blanching.

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20
Q

Palpable Purpura

A

Intradermal hemorrhagic papules and plaques. Non-blanching. Bigger spots than petechiae.

21
Q

Epidermal atrophy

A

“Cigarette paper” wrinkling

Red / brown color. Telangiectasias (visible blood vessels)

22
Q

Dermal atrophy

A

Skin surface is depressed

23
Q

Brown / black color due to?

A

Melanin or necrosis

24
Q

Blue color due to?

A

Melanin deposited deeper in skin

25
Q

Yellow color due to?

A

Sebaceous tissue (oil gland) or intracellular lipids

26
Q

Annular shape

A

Round w/ central clearing

27
Q

Polycystic

A

Plaques coalesce

28
Q

Square eruptions or those that follow pattern of external object often due to what?

A

Contact dermatitis

29
Q

Serpiginous

A

Wavy, snake-like border

30
Q

Stellate

A

Angulated edges

May be due to scratching or condition of underlying vasculature.

31
Q

Blaschkoid

A

Swirling patterns due to post-zygotic mutation of melanocytes or keratinocytes

32
Q

Dermatomal (Zosteriform)

A

Linear bands that start and end at midline of trunk
Reflect nerve supply to skin
Ex: Herpes zoster (shingles)

33
Q

Koebernization

A

Linear collection of lesions arising from external trauma

Common in psoriasis

34
Q

Indurated

A

Firm texture upon palpation

35
Q

Fluctuant

A

Compressible denoting underlying fluid or pus

36
Q

Burrow

A

Wavy or linear track typical of scabies infection

37
Q

Impetiginized

A

Secondarily infected w/ staph

Honey-colored crust

38
Q

Eschar

A

Black, adherent crust of necrotic tissue

39
Q

Pedunculated

A

Narrower at base of lesion

40
Q

Which skin cancers are commonly translucent?

A

Basal cell skin cancer

41
Q

Umbilicated

A

Central depression

Classic for molluscum

42
Q

Verrucus

A

Rough, warty surface

43
Q

Papulosquamous (presentation and specific diseases)

A

Papules and plaques w/ overlying scale

Eczema, psoriasis, contact dermatitis, seborrheic dermatitis, tinea infection, drug eruption

44
Q

Vesiculobullous (presentation and diseases)

A

Vesicles and bullae
Round erosions w/ collarette of scale reflects a ruptured bulla.
Pemphigus vulgaris, bullous pemphigoid, cicatricial pemphigoid, epidermolysis bullosa, dermatitis herpetiformis, bullous impetigo, bullous tinea infection

45
Q

Collarette

A

Narrow rim of loosened keratin overhanging the periphery of a circumscribed skin lesion

46
Q

Urticarial (presentation and diseases)

A

Wheals

Urticaria, urticarial drug eruption, and bullous pemphigoid

47
Q

Acneiform (presentation and diseases)

A

Papules and pustules w/ follicular involvement

Acnea, rosacea, perioral dermatitis, hidradenitis suppurativa, folliculitis, pyoderma faciale

48
Q

Rosacea

A

Chronic skin condition characterized by facial redness, small and superficial dilated blood vessels on facial skin, papules, pustules, and swelling.

49
Q

Ecchymosis

A

Subcutaneous purpura > 1 cm or a hematoma. Commonly called a bruise, but bruises are caused by trauma whereas ecchymoses, are not necessarily caused by trauma.

Dermatology (11 decks)

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