Derm

Question 1

keratoacanthoma is difficult to distinguish from what other skin finding?

Answer 1

squamous cell carcinoma

Question 2

lesions suspicious for keratoacanthoma should be treated in what way?

Answer 2

excised with 5mm margin

Question 3

what topical therapy option is effective in children with pyogenic granuloma?

Answer 3

topical beta blocker

Question 4

a sudden increase in the number of seborrhic keratoses should increase suspicion for what?

Answer 4

underlying malignancy

Question 5

an adult patient presents with dome shaped, asymptomatic yellow papules with central umbilication on the forehead and cheeks. what is the diagnosis?

Answer 5

sebaceous hyperplasia

Question 6

sebaceous hyperplasia lesions that appear suspect should be shave biopsied to rule out what other etiology which can appear similar?

Answer 6

basal cell carcinoma

Question 7

what benign skin lesion is characterized by vascularity surrounded by scaly brown or white collar?

Answer 7

pyogenic granuloma

Question 8

what benign skin lesion is caused by dermal proliferation of fibroblasts and typically presents as firm, solitary, hyperpigmented, 3-10mm nodule?

Answer 8

dermatofibroma

Question 9

what is the Fitzpatrick or dimple sign?

Answer 9

applying lateral pressure to a skin lesion will cause dimpling or retraction beneath the skin

Question 10

t/f no treatment is required for a routine dermatofibroma

Answer 10

true

Question 11

what are the two main ddx to consider when evaluating SK?

Answer 11

dermatosis papulosa nigra and melanoma

Question 12

t/f cherry angioma can be treated successfully with cryotherapy

Answer 12

true

Question 13

how are rapidly growing pilar cysts treated?

Answer 13

complete excision

Question 14

what are the most common type of cutaneous cyst?

Answer 14

epidermal inclusion cyst

Question 15

what is the typical treatment for inflammed epidermoid cyst?

Answer 15

intralesional injection followed by interval excision

Question 16

what type of benign skin cyst has the potential for intracranial extension?

Answer 16

dermoid cyst

Question 17

what depth measurement is used to assess melanoma?

Answer 17

Breslow depth

Question 18

the USPSTF recommends UV exposure cousneling for patients with fair skin types of what ages?

Answer 18

6 months to 24 years

Question 19

all skin lesions suspicious of melanoma should have what margins circumferentially when performing an excisional biopsy?

Answer 19

1 to 3 mm margins

Question 20

what is the Breslow depth of a lesion suspicious of melanoma?

Answer 20

maximal depth / thickness of the primary lesion

Question 21

melanoma in situ is confined to what skin layer?

Answer 21

epidermal layer

Question 22

what is the most common melanoma type in people with fair skin?

Answer 22

superficial spreading

Question 23

what type of melanoma appears on palms / soles?

Answer 23

acral lentiginous

Question 24

what type of melanoma is usually > 1cm when diagnosed, more common in those > 65 yo, and consists of macule that grows into a patch?

Answer 24

lentigo maligna

Question 25

melanoma lesions greater than what diameter should be referred to surgery for wide local excision and discussion of sentinel lymph node biopsy?

Answer 25

> 0.8mm

Question 26

in addition to surgical excision and possible sentinel lymph node biopsy, what is the other hallmark of treatment for advanced melanoma?

Answer 26

adjuvant therapy

Question 27

t/f multiple dermatofibromas may be associated with underlying SLE or immunodeficiency

Answer 27

true

Question 28

t/f dermoscopy can differentiate keratoacanthoma from SCC

Answer 28

false

Question 29

a 68 yo M presents with three dome shaped small red purple, soft, compressible papules on his trunk. what is the most likely diagnosis?

Answer 29

cherry angioma

Question 30

T/F black hairy tongue, median rhomboid glossitis and geographic tongue are benign conditions

Answer 30

true

Question 31

t/f erythroplakia may progress to oral cancer

Answer 31

true

Question 32

which condition is characterized by white adherent plaque of the tongue that cannot be scraped off that has malignant potential?

Answer 32

leukoplakia

Question 33

what condition is characterized by formation of disorganized extracellular matrix due to excessive fibroproliferative collagen response?

Answer 33

keloid

Question 34

what injectable is more effective than corticosteroid for treatment of keloid and hypertrophic scar?

Answer 34

botox

Question 35

what is the key difference between keloid and hypertrophic scar?

Answer 35

keloid extends beyond the margins of the initial injury

Question 36

t/f keloids are likely to happen later after skin insult and progress over time whereas hypertrophic scars develop more quickly and regress over time

Answer 36

true

Question 37

t/f keloid and hypertrophic scar are caused by chronic inflammation at the reticular dermis

Answer 37

true

Question 38

for keloid revision, injection of CSI should be considered at what time point in relationship to the procedure?

Answer 38

inject 10-14 days after the procedure

Question 39

which form of cryotherapy is superior for treatment of keloid / hypertrophic scar?

Answer 39

intralesional injected liquid nitrogen

Question 40

how often should triamcinolone be injected for treatment of keloid?

Answer 40

monthly

Question 41

how often should liquid nitrogen be injected for treatment of keloid?

Answer 41

every 2-3 weeks

Question 42

which chemotherapeutic agent can be injected with corticosteroids to increase effectiveness of treatment for keloid ?

Answer 42

fluorouracil

Question 43

t/f combining surgical excision with topical or intralesional therapies improves cosmetic outcomes and reduces recurrence of hypertrophic scar

Answer 43

true

Question 44

what physical treatment modality is recommended first line for hypertrophic scars alone or combined with topical / intralesional options?

Answer 44

laser therapy

Question 45

what topical product should be used after a procedure in someone with known history of keloid?

Answer 45

gel sheet over incision

Question 46

t/f botox has been found to be more effective than CSI or fluorouracil injections for treatment of keloid

Answer 46

tru