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Step 2/Level 2 > Derm > Flashcards

Derm Flashcards

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1
Q

Flat spot less than 1 cm in diameter?

A

macule

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2
Q

Flat spot >1cm in diameter, not-palpable?

A

Patch

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3
Q

Solid, elevated lesion

A

Papule

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4
Q

Papule that is > 1 cm and flat topped?

A

Plaque

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5
Q

Papable, solid lesion >1cm and not flat topped (i.e. lipoma)?

A

Nodule

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6
Q

Elevated, circumscribed lesion

A

vesicle

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7
Q

Elevated, circumscribed lesion >5mm containing clear fluid (Large blister)?

A

Bulla

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8
Q

Treatment for non-purulent cellulitis?

A
  • Oral dicloxcillin, cephalexin or clindamycin

- IV cefazolin, nafcillin, clindamycin

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9
Q

Treatment for purulent cellulitis?

A
  • Cover for MRSA
  • Oral Bactrim, clindamycin, docycycline, linezolid
  • IV vanco
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10
Q

Tx for a skin abscess?

A
  • I&D
  • Oral Bactrim, clindamycin, docycycline, linezolid
  • IV vanco
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11
Q

Most common site for hidradenitis suppurativa? Tx?

A
  • axilla
  • mild: topical clindamycin and punch debridement
  • severe: oral doxycycline or minocycline and more invasive surgical debridement
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12
Q

Tx for necrotizing fasciitis?

A
  • immediate aggressive surgical debridement

- ABX: carbepenem or zosyn, PLUS clindamycin PLUS vancomycin

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13
Q

Tx of mild impetigo?? Moderate?

A
  • Mild: topical mupirocin

- Moderate: oral doxycycline or cephalexin

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14
Q

SE of Isotretinoin?

A
  • hepatotoxicity
  • Teratogen
  • dry skin/mucous membranes
  • depression/SI
  • increase triglycerides
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15
Q

Treatment for rosacea?

A
  • Topical metronizale or azelaic acid
  • Oral meds for acne: doxycycline, isotretinoin, ec
  • Laser therapy
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16
Q

Flesh colored lesions with central umbilicaiton?

A

Molluscum contagiosum (poxvirus)

17
Q

Cause of tinea versicolor? Tx?

A
  • Malassezia furfur
  • Tx: ketoconazole 2% shampoo
  • Topical anti fungal (terbinafine)
18
Q

KOH Spaghetti and meatballs?

A

Tinea versicolor

19
Q

Tx of tinea capitis?

A

Oral griseofulvin

20
Q

Tx of tinea unguium (nails)?

A

Oral terbinafine x 6 weeks

21
Q

Tx of scabies?

A

Permethrin cream (treat the whole family and make sure to wash everything in hot water)

22
Q

What is the difference in SJS and TEN?

A

-SJS: 30% BSA skin sloughing, full thickness epidermal necrosis, decrease H/H, inc AST/ALT

23
Q

Erythematous plaques with greasy-looking, yellowish scales often near the hairline on the forehead?

A

-seborrheic dermatitis

24
Q

Erythematous plaques with silvery scales on extensor surfaces?

A

Psoriasis

25
Q

Herald patch (one pink lesion on chest or back) then 2 weeks later smaller lesions on the trunk/extremities (in christmas tree pattern)? Tx?

A

Pityriasis rosea

-Normally self limiting

26
Q

Causes of erythema nodosum?

A

SPUD BITS

  • Streptococcal
  • pregnancy
  • Unknown (idiopathic)
  • Drugs
  • Bechet
  • IBD
  • TB
  • Sarcoidosis
27
Q

Pruritic, purple, polygonal papule and plaques on the flexor surfaces. Can also have a white, lace-like pattern on the surface of the papule/plaques and mucous membrane involvement

A

Lichen planus

28
Q

What infections can be associated with an increase likelihood of lichen planus??

A

HIV and hepatitis C

29
Q

How can you confirm venous stasis?

A

-“venous reflux” finding on duplex US

30
Q

What is Auspits sign? When do you see this?

A

-Bleeding easily with scraping the plaques of psoriasis

31
Q

Anti-desmosome?

A

pemphigus vulgaris

32
Q

Anti-hemidesmosome?

A

bullous pemphigoid

33
Q

Treatment for pemphigus vulgaris?

A

-high dose systemic steroids

34
Q

Treatment for bullous pemphigoid?

A

-topical steroids (clobetasol)

35
Q

Margins for melanoma in situ?

A

0.5cm

36
Q

Margin for melanoma

A

1.0 cm

37
Q

Margin for melanoma >2mm thick?

A

2 cm +/- lymph node dissection

38
Q

Best treatment for alopecia areata?

A

intralesional steroid injection

Step 2/Level 2 (18 decks)

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