Dermatology Flashcards

1
Q

flesh-colored, pink or yellow-brown lesion with a rough sandpaper feel

A

AK

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2
Q

white waxy lump or a brown scaly patch, raised pearly and rolled borders, telangiectasis, a central ulcer

A

BCC

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3
Q

Nikolsky negative

no mucous membrane involvement

large, tense bullae and crusts

A

bullous pemphigoid

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4
Q

Tx of bullous pemphigoid

A

Systemic corticosteroids

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5
Q

Linear deposition of IgG Abs against hemidesmosomes

A

bullous pemphigoid

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6
Q

pain, erythema, warmth, and swelling. Margins are flat and not well demarcated.

A

cellulitis

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7
Q

Tx of mild cellulitis

A

cephalexin or dicloxacillin

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8
Q

PO Tx options for MRSA…

A

Bactrim DS 1 tab PO BID

Clindamycin 300-450 mg PO

doxycycline 100 mg PO BID

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9
Q

well-demarcated erythema, erosions, vesicles

identifiable exposure

A

contact dermatitis

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10
Q

Pruritic, eczematous lesions

xerosis (dry skin), and lichenification

Most common on flexor creases

A

atopic dermatitis

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11
Q

Tx of seborrheic dermatitis

A

ketoconazole shampoo

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12
Q

Young women. Papulopustular, plaques, and scales around the mouth.

A

perioral dermatitis

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13
Q

Tx of perioral dermatitis

A

topical metronidazole

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14
Q

pruritic vesicular eruption comprised of clear, deep-seated vesicles without erythema erupting on the lateral aspects of fingers, the central palm, and plantar surfaces

“tapioca pudding”

A

dyshidrosis

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15
Q

Tx of disydrosis…

A

topical steroids

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16
Q

acute, well-demarcated, raised superficial bacterial skin infection with lymphatic involvement almost always caused by Streptococcus pyogenes

A

erysipelas

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17
Q

Tx of erysipelas…

A

Pen G

18
Q

Skin lesions predominantly involving the extremities (hands, feet, and mucosa). Target-like shape, raised, blanching, and lack of itchiness

Type IV hypersensitivity to HSV

A

Erythema multiforme

19
Q

maculopapular, brick red rash on face beginning at hairline then progressing to palms and soles

A

Measles. (+ 4 Cs, Koplik spots)

20
Q

“3-day rash” pink light-red spotted maculopapular rash first appears on the face, spreads caudally to the trunk and extremities and becomes generalized within 24 hours

Cephalocaudal spread

A

Rubella

21
Q

only childhood exanthem that starts on the trunk and spreads to the face

A

Roseola

22
Q

Complication of impetigo?

A

post-strep glomerulonephritis

23
Q

purplish, itchy, flat-topped bumps. On mucous membranes, such as in the mouth, it forms lacy white patches, sometimes with painful sores

Forms whickham striae (white lines visible in papules)

A

Lichen planus

24
Q

Tx of lichen planus…

A

topical CS

25
Q

5 Ps of lichen planus?

A

purple, papule, polygonal, pruritis, planar

26
Q

thick, leathery, brownish skin caused from repeated scratching…

A

lichen simplex chronicus

27
Q

Hyperpigmentation of the sun-exposed areas of the face (cheeks, forehead, nose, and chin)

Appear as dark, irregular, well-demarcated macules/patches,

A

Melasma

28
Q

Tx of melasma

A

usually fades on own

otherwise hydroquinone

29
Q

pearly papules with central umbilication

A

Molluscum contagiosum

30
Q

Tx of molluscum contagiosum

A

imiquimod, curettage

31
Q

Tx of nummular eczema…

A

ultra-high potency topical CS

32
Q

Tx of onychomycosis…

A

PO Terbinafine x 6 weeks or 12 weeks (fingers vs toes)

33
Q

What must be monitored on most oral antifungal regimens?

A

LFTs

34
Q

abnormal skin growth located at the tailbone that contains hair and skin

present as a teenager with pain, discomfort and swelling above the anus or near the tailbone that comes and goes

A

Pilonidal disease

35
Q

Tx of pilonidal disease…

A

drainage and removal of cyst

36
Q

initial herald patch, followed by the development of a diffuse papulosquamous rash. eruption appears with smaller secondary lesions that follow Langer’s lines (cleavage lines) in a Christmas tree-like pattern.

A

pityriasis rosea

37
Q

Tx of rosacea…

A

topical metronidazole

38
Q

A 20-year-old male with no significant past medical history presents complaining of patchy tanning. He states that he has been out in the sun without a shirt several times. Areas on his chest and back just don’t tan, and he is becoming self-conscious

A

Tinea versicolor

39
Q

Tx of tinea versicolor

A

selenium sulfide 2.5% for 10 minutes x 7-10 days

40
Q

Tx for vitiligo?

A

CS, tacrolimus