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MJ- F2 E6- Derm and ID > Derm Cases Part 1- Feirstein > Flashcards

Derm Cases Part 1- Feirstein Flashcards

1
Q

What bacteria causes acne vulgaris?

A

Propionibacterium

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2
Q

Tx for mild acne vulgars?

A

Topical Benzoyl Peroxide wash

OR

Topical Retinoid

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3
Q

Tx for moderate acne vulgaris?

A

COMBO: Topical BP AND Topical Retinoid

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4
Q

Tx for severe acne vulgaris?

A

Combo therapy (BO + Retinoid)

AND

Topical Abx (erythromycin/clindamycin)

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5
Q

Tx for very severe acne vulgaris?

A

refer to derm and give tetracycline or doxy (oral abx +BP)

Dermatologist will give oral isotretinoin as well.

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6
Q

What kind of diet is recommended for pts with acne vulgaris?

A

low glycemic diet

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7
Q

How long do topical agents take to work for acne vulgaris?

A

2-3 mos

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8
Q

When should you re-evaluate pt with acne vulgaris?

A

8 weeks

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9
Q

Etiology of roseola infantum (6th disease)?

A

HHV 6

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10
Q

Sx of roseola infantum (6th disease, HHV6)

A

prodrome of:

fever

palpebral edema

cervical lymphadenopathy

mild URI sx

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11
Q

Roseola infantum is a _________

A

viral exanthem

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12
Q

Describe the exanthem found in roseola infantum (6th disease, HHV6)

A

pink macules and papules surrounded by white halo

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13
Q

Where does the viral exanthem of roseola infantum begin?

A

trunk

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14
Q

Tx of roseola infantum (6th disease, HHV6)

A

supportive care

tx atypical cases/immunocompromised pts

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15
Q

Clinical px of guttate psoriasis

A

“water splashed” lesions on trunk & extremities

1-10mm salmon pink with fine scales

does not follow skin tension lines

preceded by a strep infection (S. pharyngitis) (GABHS infection)

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16
Q

Where will you find guttate psoriasis on the body?

A

trunk & extremities

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17
Q

Is there oral, palm or sole involvment with guttate psoriasis?

A

NO, it is found only on the trunk and extremities

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18
Q

Tx of Guttate psoriasis if it is limited

A

potent topical steroids

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19
Q

Tx of guttate psoriasis if it is extensive

A

narrow band UVB phototherapy

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20
Q

What is the following?

“mobile, dermal nodule with overlying punctum”

A

Epidermal cyst/epidermal inclusion cyst

NOT a sebaceous cyst

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21
Q

Does an epidermal inclusion cyst arise from a hair follicle?

A

YES

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22
Q

Tx of epidermal inclusion cyst

A

surgical excision: remove entire cyst wall

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23
Q

“dermatomal rash that does not cross the midline”

What is this?

A

Shingles

24
Q

Can shingles be in multiple dermatomes?

A

YES

25
Q

When do you want to get vaccinated for shingles?

A

in a year or two

26
Q

What is the main complication we are concerned about with shingles?

A

post-herpetic neuralgia

27
Q

What can put you at risk for developing shingles?

A

Heavy steroid use (due to immunocompression)

28
Q

“rolled, curly borders, telangiectasia, central umbilication”

What dz?

A

Basal Cell Carcinoma

29
Q

Dx of BCC

A

shave biopsy

30
Q

Tx of BCC

A

Mohs surgery

31
Q

Describe Mohs surgery and what condition you would do it for.

A

Do it for BCC

incremental surgery while pathologist is on site and taking off more and more of the tumor until the malignancy is gone

32
Q

Tx of contact dermatitis

A

remove irritant

low potent steroid

33
Q

“easy flushing, erythema, telangiectasias, papules/pustules, rhinophyma (nose changes).”

What dz?

A

Acne Rosacea

34
Q

Tx of acne rosaca

A

topical metronidazole for inflammation

35
Q

What if topical metronidazole doesnt work for acne rosacea?

What is the next line of tx?

A

Oral tetracycline

36
Q

Triggers of acne rosacea

A

alcohol

sunlight

heat

spicy food

emotional stress

37
Q

Can hormones trigger acne rosacea?

A

NO

38
Q

“papular, purple, pruritic, polygonal, planar”

What dz?

A

Lichen Planus (5P’s)

39
Q

Where do you most commonly find Lichen Planus?

A

bilateral flexor surfaces of extremities

40
Q

Tx of Lichen planus

A

topical steroids

antihistamines for itchiness

41
Q

Tx of refractory cases of lichen planus

A

systemic steroids

42
Q

“small, skin colored/pink dome shaped papules often with central umbilications”

What dz?

A

Molluscum Contagiousum

43
Q

Molluscum Cont. is MC in which population?

A

young school children

44
Q

How long does molluscum cont. last and what is the average duration?

A

months-years

avg: 13 months

45
Q

Main Tx of molluscum cont.

A

supportive

46
Q

What tx can you do if Molluscum contagiosum is not found on the face?

A

cryotherapy

47
Q

What tx can you give in office for molluscum cont?

A

cantharidin

48
Q

How is molluscum contagiosum spread?

A

skin-skin by fomites

49
Q

“herald patch on trunk that becomes a christmas tree pattern and spreads to the extremities”

What dz?

A

Pityriasis rosea

50
Q

T/F: Pityriasis is usually asymptomatic

A

TRUE

51
Q

T/F: Pit. Rosea can be itchy and associated with flu like sx

A

TRUE

52
Q

“oval salmon colored patches with minor scale, oval patches follow skin tension lines on back”

What dz?

A

Pityriasis Rosea

53
Q

Tx of pityriasis rosea

A

self limiting, that resolves in 8 weeks w/o tx

54
Q

T/F: You may need to tx Pit. rosea with erythromycin for 2 weeks.

A

TRUE

55
Q

“appears on dorsal hands, arms and face”

HPV is causative agent

What dz is this?

A

Verruca planae

56
Q

Tx of verruca planae

A

refer because it is on the face

57
Q
A

MJ- F2 E6- Derm and ID (11 decks)

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