Derm

Question 1

Flat spot less than 1 cm in diameter?

Answer 1

macule

Question 2

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

Answer 2

Patch

Question 3

Solid, elevated lesion

Answer 3

Papule

Question 4

Papule that is > 1 cm and flat topped?

Answer 4

Plaque

Question 5

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

Answer 5

Nodule

Question 6

Elevated, circumscribed lesion

Answer 6

vesicle

Question 7

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

Answer 7

Bulla

Question 8

Treatment for non-purulent cellulitis?

Answer 8

• Oral dicloxcillin, cephalexin or clindamycin

- IV cefazolin, nafcillin, clindamycin

Question 9

Treatment for purulent cellulitis?

Answer 9

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

Question 10

Tx for a skin abscess?

Answer 10

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

Question 11

Most common site for hidradenitis suppurativa? Tx?

Answer 11

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

Question 12

Tx for necrotizing fasciitis?

Answer 12

• immediate aggressive surgical debridement

- ABX: carbepenem or zosyn, PLUS clindamycin PLUS vancomycin

Question 13

Tx of mild impetigo?? Moderate?

Answer 13

• Mild: topical mupirocin

- Moderate: oral doxycycline or cephalexin

Question 14

SE of Isotretinoin?

Answer 14

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

Question 15

Treatment for rosacea?

Answer 15

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

Question 16

Flesh colored lesions with central umbilicaiton?

Answer 16

Molluscum contagiosum (poxvirus)

Question 17

Cause of tinea versicolor? Tx?

Answer 17

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

Question 18

KOH Spaghetti and meatballs?

Answer 18

Tinea versicolor

Question 19

Tx of tinea capitis?

Answer 19

Oral griseofulvin

Question 20

Tx of tinea unguium (nails)?

Answer 20

Oral terbinafine x 6 weeks

Question 21

Tx of scabies?

Answer 21

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

Question 22

What is the difference in SJS and TEN?

Answer 22

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

Question 23

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

Answer 23

-seborrheic dermatitis

Question 24

Erythematous plaques with silvery scales on extensor surfaces?

Answer 24

Psoriasis

Question 25

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

Answer 25

Pityriasis rosea | -Normally self limiting

Question 26

Causes of erythema nodosum?

Answer 26

SPUD BITS - Streptococcal - pregnancy - Unknown (idiopathic) - Drugs - Bechet - IBD - TB - Sarcoidosis

Question 27

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

Answer 27

Lichen planus

Question 28

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

Answer 28

HIV and hepatitis C

Question 29

How can you confirm venous stasis?

Answer 29

-"venous reflux" finding on duplex US

Question 30

What is Auspits sign? When do you see this?

Answer 30

-Bleeding easily with scraping the plaques of psoriasis

Question 31

Anti-desmosome?

Answer 31

pemphigus vulgaris

Question 32

Anti-hemidesmosome?

Answer 32

bullous pemphigoid

Question 33

Treatment for pemphigus vulgaris?

Answer 33

-high dose systemic steroids

Question 34

Treatment for bullous pemphigoid?

Answer 34

-topical steroids (clobetasol)

Question 35

Margins for melanoma in situ?

Answer 35

0.5cm

Question 36

Margin for melanoma

Answer 36

1.0 cm

Question 37

Margin for melanoma >2mm thick?

Answer 37

2 cm +/- lymph node dissection

Question 38

Best treatment for alopecia areata?

Answer 38

intralesional steroid injection