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Family Medicine > Derm > Flashcards

Derm Flashcards

1
Q

keratoacanthoma is difficult to distinguish from what other skin finding?

A

squamous cell carcinoma

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2
Q

lesions suspicious for keratoacanthoma should be treated in what way?

A

excised with 5mm margin

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3
Q

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

A

topical beta blocker

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4
Q

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

A

underlying malignancy

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5
Q

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

A

sebaceous hyperplasia

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6
Q

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

A

basal cell carcinoma

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7
Q

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

A

pyogenic granuloma

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8
Q

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

A

dermatofibroma

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9
Q

what is the Fitzpatrick or dimple sign?

A

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

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10
Q

t/f no treatment is required for a routine dermatofibroma

A

true

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11
Q

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

A

dermatosis papulosa nigra and melanoma

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12
Q

t/f cherry angioma can be treated successfully with cryotherapy

A

true

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13
Q

how are rapidly growing pilar cysts treated?

A

complete excision

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14
Q

what are the most common type of cutaneous cyst?

A

epidermal inclusion cyst

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15
Q

what is the typical treatment for inflammed epidermoid cyst?

A

intralesional injection followed by interval excision

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16
Q

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

A

dermoid cyst

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17
Q

what depth measurement is used to assess melanoma?

A

Breslow depth

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18
Q

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

A

6 months to 24 years

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19
Q

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

A

1 to 3 mm margins

20
Q

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

A

maximal depth / thickness of the primary lesion

21
Q

melanoma in situ is confined to what skin layer?

A

epidermal layer

22
Q

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

A

superficial spreading

23
Q

what type of melanoma appears on palms / soles?

A

acral lentiginous

24
Q

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

A

lentigo maligna

25
Q

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

A

> 0.8mm

26
Q

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

A

adjuvant therapy

27
Q

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

A

true

28
Q

t/f dermoscopy can differentiate keratoacanthoma from SCC

A

false

29
Q

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

A

cherry angioma

30
Q

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

A

true

31
Q

t/f erythroplakia may progress to oral cancer

A

true

32
Q

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

A

leukoplakia

33
Q

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

A

keloid

34
Q

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

A

botox

35
Q

what is the key difference between keloid and hypertrophic scar?

A

keloid extends beyond the margins of the initial injury

36
Q

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

A

true

37
Q

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

A

true

38
Q

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

A

inject 10-14 days after the procedure

39
Q

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

A

intralesional injected liquid nitrogen

40
Q

how often should triamcinolone be injected for treatment of keloid?

A

monthly

41
Q

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

A

every 2-3 weeks

42
Q

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

A

fluorouracil

43
Q

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

A

true

44
Q

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

A

laser therapy

45
Q

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

A

gel sheet over incision

46
Q

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

A

tru

47
Q
A

Family Medicine (13 decks)

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