Derma - Cutaneous Infestation Flashcards Preview

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Flashcards in Derma - Cutaneous Infestation Deck (137)
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1
Q

Initial manifestation of skin disorders

A

Primary lesions

2
Q

Flat Primary lesions

A

Macule
Patch
Erythema
Erythroderma

3
Q

Non-palpable
Color change
<1 cm

A

Macule

4
Q

Tinea versicolor

A

Macule

5
Q

An-an / Tinea versicolor

A

Macule

6
Q

Large macule

> 1 cm

A

Patch

7
Q

Vitiligo

A

Patch

8
Q

Melasma

A

Patch

9
Q

Blanchable

Dilation of BV in dermis (redness)

A

Erythema

10
Q

Blanchable redness

Scaling and desquamation

A

Erythroderma

11
Q

Raised primarylesions

A
Papule
Plaque
Nodule
Wheal/ Hives 
Tumor
Cyst
Comedo
Horn
12
Q

< 1 cm, raised solid

A

Papule

13
Q

Raised solid lesiosn, capped by scales

A

Papulosquamous

14
Q

Molluscum contagiosum

Raised

A

Papule

15
Q

Lichen nitidus

Raised

A

Papule

16
Q

> 1 cm
Plateau like elevated lesion
Maceration, erosion, scale on surface
Epidermal only

A

Plaque

17
Q

Similar papules
> 1cm
Rounded surface

A

Nodule

18
Q

Histoid leprosy

Raised

A

Nodule

19
Q

Nummular eczema

Raised

A

Plaque

20
Q

Erythematous, edematous papule/plaque

A

Wheal

21
Q

Prototype lesion of urticaria

A

Wheal

22
Q

Oval, arcuate contour, pink to red edematous papule, surrounded a flare of macular erythema

A

Wheal

23
Q

Is wheal evanescent

A

Yes

24
Q

Solid, raised growth
>5 cm
Elevated or deep-seated, pedunculated

A

Tumor

25
Q

Encapsulated with liquid/ semisolid contents

A

Cyst

26
Q

Hair follicle infundibulum dilated and plugged with keratin and lipids

A

Comedo

27
Q

Conical mass of cornified cells

A

Horn

28
Q

Viral pathogen associated with corn

A

SCCA

HPV

29
Q

Fluid filled primary lesions

A
Vesicle
Bullae
Pustule
Furuncle
Abscess
30
Q

Fluid filled

< 1cm

A

Vesicle

31
Q

Vesicles are rounded, acuminate, umbilicated

A

Eczema herpeticum

32
Q

Vesicles are discrete, irregularly scattered, grouped

A

Herpes zoster

33
Q

Linea vesicles

A

Allergic contact dermatitis from urushiol

34
Q

Dishydrotic eczema

Primary lesion

A

Vesicle

35
Q

Fluid filled
> 1cm
Rounded, or irregularly shaped blisters

A

Bullae

36
Q

Bullae diagnostic maneuvers

A

Nikolsky’s sign

Asboe-Hansen sign

37
Q

Diagnostic maneuver of putting lateral pressure and having the epithelium shear off

A

Nikolsky;s sign

38
Q

Extension of a blister to adjacent unblistered skin when pressure is put on top of blister

A

Asboe-Hansen sign

39
Q

Bullae that has irregular vegetations on the base

A

Pemphigus vegetans

40
Q

Hemorrhagic bullae

Enumerate

A

Pemphigus
Herpes zoster
Severe bullous drug rxn
Lichen sclerosus

41
Q

<1 cm or > 1cm
Contains pus
Usually have inflammatory areola (nipple?)

A

Pustule

42
Q

Healing of pustule

A

No scarring

43
Q

Infected pustule

A

Folliculitis

44
Q

Sterile pustule

A

Pustular psoriasis

45
Q

Sycosis barbae

Primary lesion

A

Pustule

46
Q

Deep necrotizing folliculitis with suppuration
> 1cm
Inflammated follicle centered nodule with central necrotic plug and overyling pustule

A

Furuncle

47
Q

Localized accumulation of pus in dermis and subcutaneous layer

A

Abscess

48
Q

Dilated superficial BV

A

Telangiectasia

49
Q

Occur subsequent to primary lesions

A

Secondary lesions

50
Q

Depressed secondary lesions

A
Erosion
Ulcer
Atrophy
Poikiloderma
Striae
Burrow
Sclerosis
51
Q

Partial loss of epidermis

Initially appears as vesicle or bullae

A

Erosion

52
Q

Bullae of impetigo

Secondary lesion

A

Erosion

53
Q

Full thickness loss of epidermis and some dermis

A

Ulcer

54
Q

Healing erosin

A

No scarring

55
Q

Ulcer healing

A

With scarring

56
Q

Ecthyma

Secondary lesion

A

Ulcer

57
Q

Dystrophic epidermolysis bullosa

Secondary lesion

A

Ulcer

58
Q

Depression of the surface due to thinning of the epidermis or dermis

A

Atrophy

59
Q

Acne pits

Secondary lesion

A

Atrophy

60
Q

Triad of poikiloderma

A

Pigmentation
Atrophy
Telangiectasia

Mottled appearance

61
Q

Linear depression of the skin

A

Striae

62
Q

Thread-like tunnel through the outer portion of epidermis by parasites

A

Burrow

63
Q

Hardening/ induration of skin

A

Sclerosis

64
Q

Change inskin due to trauma/ inflammation
New connectve tissue that replaced the lost substance in the dermis or deeper

Secondary lesion

A

Scar

65
Q

Raised

Secondary lesion

A

Scar

66
Q

Surface change

Secondary lesion

A
Fissure
Scales/exfoliation
Crusts/scabs
Excoriation/ scratch marks
Lichenificaton
Keratoderma
67
Q

Linear tear in the epidermis/ dermis due to abnormal skin keratin

Increase tension
Decrease elasticity

A

Fissure

68
Q

Fissure common in these sites

A

Palms/soles

69
Q

Dry/greasy laminated mass of keratin

A

Scales/ exfoliation

70
Q

Cradle cap

Yellowish greasy

A

Seborrheic dermatitis

71
Q

Scale

Silvery white

A

Psoriasis

72
Q

Fine, delicate, branny scales

A

Tinea versicolor

73
Q

Coarse scales

A

Eczema, ichthyosis

74
Q

Large sheets of desquamated epidermis

A

TEN toxic epidermal necrolysis
SSSS
Scarlet fever

75
Q

pemphigus

Secondary lesion

A

Bullae

76
Q

Herpes zoster

Secondary lesion

A

Bullae

77
Q

Lichen sclerosus

Secondary lesion

A

Bullae

78
Q

Hardened serum, pus, blood mixed with epithelial cells & bacterial debris

Pus: yellow green
Blood: reddish black
Serum: yellow brown

A

Crusts/scabs

79
Q

Impetigo contagiosa

Secondary lesion

A

Golden yelow crusts/scabs

80
Q

Third degree burns

Secondary lesion

A

Crusts/scabs

81
Q

Late syphillis

Secondary lesion

A

Crusts

82
Q

Lamellated, elevated, brown black green masses

Ostaceous crusts/rupia

A

Crusts

83
Q

Punctate or linear abrasion due to mechanical means

A

Excoriation/ scratch marks

84
Q

Thickening of skin

Accentuated skin fold markings

A

Lichenification

85
Q

Chronic eczema

Secondary lesion

A

Lichenification

86
Q

Lichen simplex chronicus

Secondary lesion

A

Lichenification

87
Q

Excessive hyperkeratosis of stratum corneum

A

Keratoderma

88
Q

Yellowish thickening of skin

Palms and soles

A

Keratoderma

89
Q

is a skin condition characterized as the thickening of the outer layer of the skin (hyperkeratosis) of the palms and soles of the feet; this usually occurs with at the start of menopause.

A

Haxthausen’s disease/

Keratoderma climactericum

90
Q

Erythematous plaques with silver white scales on elbows

A

Psoriasis

91
Q

Grouped vesicles on an erythematous base

A

HSV 1

92
Q

Umbilicated papule

A

Molluscum contagiosum

93
Q

Hypopigmented patch and macules

A

Tinea versicolor

94
Q

Annular plaque/ patch with erythematous border with scaling

A

Tinea corporis

95
Q

Arrangement of lesions

HSV-1 arthropod bites

A

Grouped/ herpetiform

96
Q

Breakfast-lunch-and-dinner sign

A

Arthropod bites

97
Q

Small lesions arranged around a large one

A

Corymbose arrangement

98
Q

Arrangement of lesions

Scabies

A

Scattered

99
Q

Arrangement of lesions

Pityriasus rosea

A

Scattered

100
Q

Shape of skin lesions

A
Annular
Round/ nummular
Arcuate
Umbilicated
Targetoid
Linear
Reticular
Serpiginous
Whorled
Polycyclic
101
Q

Arrangment of lesions

A

Individual
Grouped/herpetiform
Scattered
Corymbose arrangement

102
Q

Distribution of lesions

A
Zosteriform
Blaschkoid
Lymphangitic
Photodistributed
Sun protected
Truncal
Acral
Extensor
Flexor
Localized
Intertriginous
Generalized
Bilateral symmetric
Universal

Extend
Pattern
Characteristic location

103
Q

3 major characteristic of lesions

A

Color
Consistency
Anatomic components of skin affected

104
Q

Proper way of reporting dermatologic lesions

A
Color
Shape
Type of primary lesion
Secondary lesion
Location
105
Q

Hair loss

A

Alopecia

106
Q

Violaceous to purple

Polygonal lesions

A

Lichenoid

107
Q

Small, firm, white papules

Filled with keratin

A

Milia

108
Q

Rash that looks like measles.
Macular lesions that are red
2-10 mm
Confluent in places

A

Morbilliform

109
Q

Most common symptom of inflammatory skin diseases

A

Pruritus

110
Q

Elderly skin associated with

A

Xerosis and aged skin

111
Q

Single 2-4 mm macule

Becomes vesicular or pustular

Ruptures forming honey colored crusts

Direct extension coalesced macules / patches

A

Impetigo contagiosa

112
Q

Tzanck to detect

A

Virus

113
Q

Dark field to detec

A

Spirochetes

114
Q

Ink burrow to detect

A

Parasites (scabies mite)

115
Q

Ring-shaped lesions

Erythematous elevated border with central clearing

A

Annular

116
Q

Coin shaped

A

Round , nummular

117
Q

Arc shape

A

Arcuate

118
Q

Depression inc enter

A

Umbilicated

119
Q

Target like with 3 distinc zones

A

Targetoid

120
Q

Band-like

Koebner phenomenon

A

Linear

121
Q

Net like

Lacy

A

Reticular

122
Q

Snake like

Wavy

A

Serpiginous

123
Q

2 distinct colors interspersed in a wavy pattern

A

Whorled

124
Q

Coalescing rings/ incomplete rings

A

Polycyclic

125
Q

Shape

Tinea corporis

A

Annular

126
Q

Shape

Nummular eczema

A

Round

127
Q

Shape

Granuloma annulate

A

Annular

128
Q

Discoid lupus Shape

A

Round

129
Q

Molluscum contagiosum

Shape

A

Umbilicated

130
Q

Shape

Erythema multiforme

A

Targetoid

131
Q

Shape

Lichen plannus

A

Linear

132
Q

Shape

Livedo reticularis

A

Reticular

133
Q

Cutis marmorata Shape

A

Reticular

134
Q

Cutaneous larva migrans

Shape

A

Serpiginous

135
Q

Hypomelanosis of Ito

Shape

A

Whorled

136
Q

Urticaria

A

Polycyclic

137
Q

Subacute lupus erythematosus

A

Polycyclic