Derm

Question 1

Tx non-purulent non-MRSA cellulitis (3)

Answer 1

clindamycin, dicloxacillin, cephalexin

Question 2

Tx erysipelas (2)

Answer 2

PCN or amoxicillin

Question 3

Pathogen erysipelas

Answer 3

GAS

Question 4

Pathogen Folliculitis

Answer 4

Staph > GAS

Question 5

Tx folliculitis (2)

Answer 5

TOP Mupirocin, chlorhexidine

Question 6

Pathogen furuncle/abscess

Answer 6

Staph

Question 7

Indications for abx in abscess mgmt (3)

Answer 7

febrile, cellulitis, immunocompromised

Question 8

Tx impetigo (limited) (2)

Answer 8

TOP mupirocin or bacitracin

Question 9

Tx impetigo (generalized) (2)

Answer 9

cephalosporin or PCNase-resistance PCN

Question 10

Which diagnosis? ulcers with gray-black eschar and erythematous halo on legs/feet

Answer 10

Ecthyma gangrenosum

Question 11

Pathogen ecthyma gangrenosum

Answer 11

Pseudomonas

Question 12

Tx ecthyma gangrenosum

Answer 12

Pip-Taz + aminoglycoside

Question 13

Dx dermatophyte infection

Answer 13

KOH prep

Question 14

Tx tinea (limited) (2)

Answer 14

TOP clotrimazole or terbinafine

Question 15

Tx tinea (generalized) (2)

Answer 15

PO ketoconazole or terbinafine

Question 16

Which diagnosis? non-pruritic patches/papules/plaques on trunk and proximal upper extremities caused with spores and hyphae on microscopy

Answer 16

Tinea versicolor (malassezia furfur)

Question 17

Tx tinea versicolor (2)

Answer 17

TOP selenium sulfide or PO Ketoconazole (x1)

Question 18

Tx candida (2)

Answer 18

TOP clotrimazole or nystatin

Question 19

Tx onychomycosis (3)

Answer 19

PO terbinafine, itraconazole, or fluconazole

Question 20

Which nail finding/pathology? proximal half white/distal half pigmented

Answer 20

Lindsay nail/CKD

Question 21

Which nail finding/pathology? longitudinal brown/black pigment

Answer 21

Melanonychia/Melanoma

Question 22

Which nail finding/pathology? thin nails that have lost convexity

Answer 22

Koilonychia/Iron deficiency

Question 23

Which nail finding/pathology? Nail-fold telangiectasias

Answer 23

Rheumatologic disease

Question 24

Tx scabies (2)

Answer 24

Permethrin, ivermectin

Question 25

Which diagnosis? maculopapular lesions grouped in a straight line

Answer 25

bed bugs

Question 26

Tx bed bugs

Answer 26

Heating, antihistamines

Question 27

Tx pediculosis/lice

Answer 27

Permethrin

Question 28

Which diagnosis? circular erythematous plaques with darker central circle, involving palms/soles/extremities +/- oral mucosal involvement

Answer 28

Erythema multiforme

Question 29

Pathogens associated with erythema multiforme

Answer 29

HSV, mycoplasma

Question 30

Which diagnosis? 2-4cm oval plaque with scale inside the border; related to HHV6 or HHV7

Answer 30

Pityriasis Rosacea

Question 31

Tx Pityriasis Rosacea

Answer 31

Supportive

Question 32

Tx Erythema multiforme

Answer 32

Supportive

Question 33

Which diagnosis? facial rash involving nasolabial folds

Answer 33

Acne Rosacea

Question 34

Tx acne rosacea (3)

Answer 34

TOP metronidazole, benzoyl peroxide, tretinoin

Question 35

Which diagnosis? firm dermal nodule that may be pigmented, most commonly on the legs of women

Answer 35

Dermatofibroma

Question 36

Which diagnosis? non-tender lump on chest/neck/face that may become painful if it becomes infected

Answer 36

Dermal inclusion cyst

Question 37

Which diagnosis? hereditary or acquired blistering disease due to excess porphyrins

Answer 37

Porphyria cutanea tarda

Question 38

Dx Porphyria cutanea tarda

Answer 38

Urine uroporphyrin level

Question 39

Tx porphyria cutanea tarda (3)

Answer 39

phlebotomy, anti-malaria, EPO (if CKD)

Question 40

Which diagnosis? Deep tender palpable erythematous nodules on shins

Answer 40

Erythema nodosum

Question 41

Tx erythema nodosum

Answer 41

NSAIDs