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PANCE > Dermatology > Flashcards

Dermatology Flashcards

1
Q

rubbing a lesion causes urticarial flare

A

Darier sign

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2
Q

documents photoallergy

A

photopatch test

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3
Q

oval-shaped nevoid plaque, skin colored or pigmented on trunk or back and associated with tuberous sclerosis

A

shagreen skin

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4
Q

extravasated blood aka ? does not blanch

A

purpura

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5
Q

solid palpable lesions >5 mm in diameter

A

nodule

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6
Q

flat non palpable lesion <10mm in diameter

A

macule

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7
Q

hard, rough surface formed by dried sebum, exudate, blood, or necrotic skin

A

crust

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8
Q

heaped up piles of horny epithelium with a dry appearance

A

scale

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9
Q

defect of EPIdermis, heals w/out a scar

A

erosion

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10
Q

defect that extends into dermis or deeper, heals with a scar

A

ulcer

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11
Q

swolen and softened by an increase in water content

A

macerated

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12
Q

irregular, rough, and convoluted surfaces

A

verrucous

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13
Q

eczema and dermatitis used interchangeably
endogenous?
exogenous?

A

eczema

dermatitis

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14
Q

tx includes wet dressings with burrow’s solution, topical c/s

A

contact derm

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15
Q

MC org from secondary infx from atopic derm?

A

S aureus

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16
Q

pruritic inflam d/o that typically occurs in fall, winter; coin shaped plaques

A

nummular dermatitis

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17
Q

occurs where sebaceous glands most active i.e. body folds, face, scalp, genitalia

A

seborrheic dermatitis

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18
Q

seb deem seen in what conditions?

A

parkinsonism, HIV

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19
Q

young women, hx of prior topical steroid use, spares vermillion border? tx?

A

perioral dermatitis; topical metro or erythro; oral mino/doxy/tetra

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20
Q

well-circumscribed plaques, highly pruritus, itch-scratch lesions, solid firms plaques? aka?

A

lichen simplex chronicus; neurodermatitis

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21
Q

cause of PR?

A

HHV7

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22
Q

rash begins on trunk as round or oval, salmon-colored slightly raised maculopapular rash; may have upper-URI prodrome

A

PR

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23
Q

molluscum contagiosum (MC) caused by?

A

poxvirus

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24
Q

MC commonly in ?, transmitted?

A

genitals, lower abdomen; sexually

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25
Q

lichen planus
6 Ps?
flat topped shiny violaceous papules
white lines on surface aka?

A

pruritic, purple, planar, polygonal, papules, plaques

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26
Q

lichen planus associated with what dz?

A

hepatitis C- screen!!

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27
Q

eruptions follow stress in hot, humid weather; pruritis is common? small vesicles in clusters- ? appearance

A

dyshidrotic eczematous dermatitis (dyshidrosis); tapioca-like appearance

28
Q

MC type of psoriasis?
appears after strep?
life threatening- lakes of pus, fever, malaise, and leukocytosis?

A

vulgaris
guttate
pustular

29
Q

psoriasis tx

  • mild?
  • moderate?
  • serious?
  • recalcitrant?
A

topical c/s and topical vitamin D
tazarotene gel (topical retinoid)
UVB photoTx, PUVA, MTX
cyclosporine (recurrence common)

30
Q

pemphigus vulgaris

  • more common in ? or ?
  • sign?
A

jewish or mediterranean; occurs in middle-aged adults

Nikolsky’s sign (also in SJS/TEN)

31
Q

signs in psoriasis?

A

auspitz, koebner phenomenon

32
Q

pemphigus vulgaris

  • immunofluorescence?
  • Tx?
A
  • shows immunoglobulin G

- pred and immunosuppressants

33
Q

bullous pemphigoid

  • Nikolsky’s sign?
  • tx?
A
  • negative (positive in pemph vulgaris)

- systemic pred, can add immunosuppresant i.e. azathioprine

34
Q

infalmmatory follicular, papular, and pustular eruption involving the pilosebaceous apparatus?

A

acne

35
Q

hallmark lesion are comedones

A

acne

36
Q

sinus tracts occur with ? acne

A

nodular

37
Q

razor bumps aka?

A

pseudofolliculitis barbae

38
Q

folliculitis

  • tx?
  • pseudomonal?
A
  • cleansing, mild compresses, topical clinda/erythro or mupirocin ointment
  • self-limiting
39
Q

presents with fever, photophobia, sore throat, mucosal inflammation, and sore mouth; MC from drugs?
tx?

A

SJS/TEN

remove offending agent, fluids, fix electrolyte abnormalities; c/s & a/b are controversial

40
Q
  • dz of apocrine glands? (axilla, anogenital, scalp)

- tx?

A
  • hidradenitis suppurativa; common in females b/w puberty and menopause; obesity
  • a/b, I&D, remove sinus tracts, intralesional traimcinolone
41
Q

red, hard, tender lesions in hair bearing areas of head, neck or body?
tx?

A

furuncles, carbuncles

warm/moist compresses, I&D, a/b

42
Q

acute spreading inflammation of dermis and sQ?

tx?

A

cellulitis

dicloxacillin or ceph; PCN allergy- erythro

43
Q

collection of purulent material in a cavity formed by necrosis or disintegration of tissue?
tx?

A

abscess

warm soaks 20min QID; oral ab i.e. dicloxacillin, ceph, or erythro if fever or cellulitis

44
Q

MC dermatophyte in industrialized world?

A

trichophyton rubrum

45
Q

broken hair shafts are seen as black dots?

A

tinea capitis

46
Q

indurated, boggy, inflammatory plaque studded with pustules

A

kerion (intense inflammatory reaction to superficial dermatophytes)

47
Q

malassezia furfur?

tx?

A

tinea versicolor

selenium sulfide shampoo, oral keto

48
Q

scabies secondary infx?

A

group A strep

49
Q

spiders that cause neurologic overstimulation?

A

black widows; red hourglass on bite

50
Q

spider with halo of very tender inflammation and hemorrhage? necrosis of tissue

A

brown recluse

51
Q

opalescent found on hair shafts, hatch in about 1 week?

tx?

A

nits/pediculosis

permethrin, pyrethrins, malathion; petroleum jelly will suffocate lice

52
Q

resemble tiny heads of cauliflower

A

warts

53
Q

HPV confirmed with ?

A

immunofluorescence

54
Q

anogenital warts Tx?

A

trichloroacetic acid or topical podophyllin

55
Q

generalized thickening of the horny layer of the epidermis

A

keratoderma

56
Q

keratoderma in palms and soles; common in AA, develop central plugs

A

punctate keratoderma

57
Q

bright red raspberry like nodules usually on exposed parts of body?
tx?

A 
capillary hemangioma (pyogenic granulomas)
ED&C
58
Q

MC melanoma?

prognosis related to?

A

superficial spreading malignant melanoma

depth of lesion (Breslow depth)

59
Q

painful, pulses are diminished or absent, cold distal area, MC on lateral maleolus?

A

arterial ulcers (venous MC on medial malleolus, diabetics MC on heel or foot)

60
Q

MC location for decubitus ulcers?

A

sacrum, hip

61
Q

standard Tx of arterial and diabetic ulcers?

A

wet to dry dressings or hydrogels

62
Q

wounds should be cleansed well, irrigated, and closed unless?

A

more than 8 hrs old or present with signs of infx

63
Q

subcutaneous infection of the pulp space

A

felon

64
Q

systemic dz may cause ? in nail

A

Beau’s lines (transverse furrows); also atrophy, clubbed fingers, spoon nails, stippling or pitting, hyperpigmentation

65
Q

associated with thyroid dz, pernicious anemia, DM, addison dz, idiopathic? destruction of melanocytes

A

vitiligo

66
Q

small blood vessels leak resulting in intradermal edema?

A

urticaria (hives or wheals seen)

67
Q

in chronic urticaria (>6 weeks), ? can be added to the ? regimen; may require ?

A

H2 antihistamine, H1 antihistamine; steroids

PANCE (6 decks)

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