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Clin Med1 Test2 > Derm infections > Flashcards

Derm infections Flashcards

1
Q

MC sites of impetigo

A

face, limbs

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2
Q

70% of impetigo cases are of this type

A

non-bulous (originally colonized by strep)

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3
Q

Superficial skin infection extending into the cutaneous lymphatics

A

erysipelas

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4
Q

MCC on the face and HX of recent Strep Pharyngitis (Step pyo: grpA beta hemolytic)

A

erisypelas

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5
Q 
local factors necessary such as:
Venous insufficiency 
Stasis ulcers
lymphadenectomy
Insect bites
Inflammatory dermatoses
A

erysipelas

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6
Q

warm, edematous, well-demarcated shiny

plaque, streaky

A

erysipelas

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7
Q

inflammation of the skin and subcutaneous tissues. does NOT involve fascia and muscles

A

cellulitis

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8
Q

microrg’s causing cellulitis

A

Strep pyo, staph aur

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9
Q

MC site of cellulitis

A

leg

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10
Q

MC ocular complication of HZ opthalmicus

A

neuropathic keratitis (degen of cornea)

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11
Q

Ramsey Hunt Syndrome is assoc with what condition

A

VZV infection of geniculate ganglion (vestibulocochlear VIII)

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12
Q

what condition looks similar to fungus but does not improve with tx

A

CTCL cutaneous T cell lymphoma

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13
Q

MC fungal med interaction

A

statins (cholesterol)

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14
Q

3 things to always check bf treating fungal infection

A
  1. med interactions
  2. CBC
  3. LFT’s
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15
Q

MCC tinea pedis

A

T. rubrium

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16
Q

MCC onychomycosis

A

T. rubrium

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17
Q

what condition (and subtype) causes a secondary rash to appear at a distant site of the body

A

Tinea capitis - Id reaction of kerion type

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18
Q

the 4 types of tinea capitis

A

Black Dot Type (non-inflammatory)
Kerion Type (inflammatory)
Seborrheic Dermatitis Type
Pustular Type

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19
Q

which type of tinea capitis is commonly mis-dx’d as folliculitis

A

pustular tinea capitis AND tinea barbae

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20
Q

which type tinea capitis is commonly mistaken for dandruff

A

seborrheic

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21
Q

which type tinea capitis shows perifollicular pustules

A

seborrheic

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22
Q

common sx of all forms of tinea capitis

A

occipital adenopathy

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23
Q

MCC Tinea caipits

A

T. tonsurans

24
Q

what causes Tinea versicolor

A

overgrowth of yeast Pityrosporum ovale

25
Q

requirement sebum

A

Tinea versicolor

26
Q

Multiple small circular macules with fine powdery scale

A

Tinea versicolor

27
Q

Perleche

A

inflammation of the mouth corners caused most commonly by candidal infection

28
Q

Well-demarcated areas of erythema and maceration with satellite papules and pustules

A

intertrigo

29
Q

Abnormal immune response to normal Malassezia flora

A

seborrheic dermatitis (dandruff)

30
Q

additional consideration for seborrheic dermatitis

A

Parkinson’s

31
Q

genital warts. member of Pox family. resolves on its own

A

Molluscum contagiosum

32
Q

genital warts. may lead to malignancy.

A

Condyloma acuminatum

33
Q

non-fluctuant, edematous, tender nail folds. Thickened, discolored nail plates with transverse ridges.

A

chronic paronychia

34
Q

term used for patients with a genetically mediated predisposition to excessive IgE mediated reactions

A

A triad: atopic dermatitis (ecsema), allergic rhinitis, asthma

35
Q

Dryness, a cardinal feature of AD

A

xerosis

36
Q

Pruritic vesicular eruption of the lateral aspects of hands & feet

A

dishydrosis

37
Q

Small rough patches of erythematous follicular plugging

A

keratosis pilaris

38
Q

Asympotmatic, hypopigmented, slightly elevated fine, scaling plaques with indistinct borders

A

pityriasis alba

39
Q

hemorrhagic vesicles, possible lymphadema and temperature

A

ecsema herpeticum

40
Q

skin thickening, exaggerated skin lines, hardening, Cardinal Sign of Chronic AD

A

lichen simplex chronicus

41
Q

Red to brown, hard, domeshaped nodules, localized nodular form of Lichen Simplex Chronicus

A

prurigo nodularis

42
Q

Small pinpoint excoriated papular lesions, Sometimes vesicular

A

scabies

43
Q

3 forms of lice infestation

A

pediculosis capitis, peiculosis pubis, pediculosis corporis

44
Q

Eczematous eruption on the lower legs, possible pitting edema

A

stasis dermatitis

45
Q

What causes Cayenne Pepper Staining? What is that called?

A

chronic statis dermatitis leading to hemosiderin staining. Called Schamburg’s Disease

46
Q

What causes thickened, warty ankles? What is it called?

A

chronic stasis dermatosis, stasis papillomatosis

47
Q

2 types of contact dermatitis

A

allergic and irritant

48
Q

MC site of irritant contact dermatitis

A

hands

49
Q

What is Rhus dermatitis

A

allergic contact dermatitis from poison ivy, oak, sumac

50
Q

Linear papular vesicular scratch like lesions

A

allergic contact dermatitis (rhus)

51
Q

Circumscribed erythematous or white pruritic plaque

A

urticaria

52
Q

vasodilation followed by transudation of protein-rich fluid

A

urticaria

53
Q

Hyperproliferation of basal stem keratinocytes

i.e. red scaly skin

A

psoriasis

54
Q

Symmetrically distributed thickened plaques of erythema and silvery scale

A

chronic plaque psoriasis

55
Q

Numerous pinpoint – 1 cm plaques that develop classic scale & increase in diameter over time

A

guttate psoriasis (after strep pharyngitis or viral URI)

56
Q

Deep, red, smooth glistening plaques found in the intertriginous folds with

A

psoriasis inversus

57
Q

Koebner’s phenomenon

A

Development of psoriasis at the site of skin trauma

Clin Med1 Test2 (11 decks)

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