Derm 1 Flashcards

1
Q

most used form of treatment in dermatology.

A

Topicals

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2
Q

is an ointment good for a hairy person?

A

Not really, will stick to hair. Best to use a gel or solution.

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3
Q

typical location of eczema in an infant

A

face and cheeks

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4
Q

will have the chief complaint of itching. Common on flexor surfaces. Cyclical pattern of relapse and recurrence.

A

Atopic dermatitis

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5
Q

other atopic problems that go hand and hand with eczema

A

asthma

allergies

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6
Q

is there a diagnostic test for eczema?

A

No (but IgE can be elevated)

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7
Q

First line tx for atopic dermatitis

A

Frequent lubrication with thick emolient creams
Infants- 0.5-1.0% hydrocortisone BID to TID
Adults- higher potency topical steroids (triamcinolone 0.5%) BID to TID

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8
Q

Second line tx for atopic dermatitis

A

systemic steroids
plastic occlusive dressing w/ topicals
immunomodulators

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9
Q

Reaction to an external substance

Will have pruritus

A

Contact dermatitis

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10
Q

tx for contact dermatitis

A

Avoid the irritant
Lotion with zinc oxide, talc, menthol, phenol (i.e. Gold bond)
Topical corticosteroid
Oral antihistamine

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11
Q

2 types of contact dermatitis

A

Irritant dermatitis

allergic contact dermatitis

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12
Q

tests for contact dermatitis

A

Patch test (if severe or persistent)

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13
Q

Red maculopapular areas that are aside from the original site

A

Satellite lesions

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14
Q

Occurs under the covered area of a diaper.

A

Diaper dermatitis

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15
Q

causes of diaper dermatitis

A

Material the diaper is made of

recent diarrhea/ illness

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16
Q

are skin folds usually affected by diaper dermatitis?

A

usually spared, not affected until late

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17
Q

Satellite lesions with diaper dermatitis usually indicate what?

A

Candida

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18
Q

Tx for diaper dermatitis

A

Low potency steroid hydrocortisone

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19
Q

tx for diaper dermatitis + candida

A

antifungal (miconazole cream or powder)

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20
Q

Coin-shaped, vesicular, erythematous lesions with some crusting

A

Nummular eczema dermatitis

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21
Q

Tx for nummular eczema dermatitis

A

Avoid excessive use of soap but use supper-fatted soaps like Dove
lubricate skin immediately after bath or shower

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22
Q

Erythematous papules, small pustules with mild scaling at the area of the chin, upper lip, and nasolabial folds

A

Perioral dermatitis

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23
Q

difference between nummular eczema and tinea?

A

Tine is scaling

eczema is crusting

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24
Q

Tx for perioral dermatitis

A
tetracycline abx (typically doxycycline) 
don't use topical steroids (gets worse)
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25
causes or perioral dermtiatis
toothpaste, face products
26
Macular, erythematous, greasy lesions on face or near scalp line.
Seborrheic dermatitis
27
tests for seborrheic dermatitis with treatment failure
biopsy
28
tx for seborrheic dermatitis
topical antifungals or corticosteroids coal tar selenium sulfide
29
Increased scaling, peripheral edema, erosions, crusts. Erythema, itching, scaling. On the lower extremities. long, insidious process . Typically medial.
Stasis dermatitis
30
Tests for stasis dermatitis
no specific testing | get dx of venous insufficiency (Duplex US)
31
First line Tx for stasis dermatitis
``` Abx for secondary infection Burrow's solution (aluminum acetate) wet dressing and cooling paste is ulcerated topical corticosteroids leg elevation ```
32
Second line tx for stasis dermatitis
Abx based on C&S | lubrication when dermatitis is quiescent
33
Recurring vesicular papules on the palms, soles, or interdigital areas that are typically not erythematous Possibly associated with excessive sweating
Dyshidrotic eczema
34
Tx for mild dyshidrotic eczema
low potency topical steroids
35
Tx for moderate- severe dyshidortic eczema
Ultrahigh potency steroids with occlusive dressing
36
Tx for recurrent dyshidrotic eczema
Systemic steroids at onset of itching
37
Non pharm tx for dyhidrotic eczema
Don't use hot water avoid prolonged immersion in water emollients
38
Chronic dermatitis that results from constant rubbing or scratching of the skin. Pruritus is out of proportion to appearance of the lesion
Lichen simplex chronicus
39
tx for lichen simplex chronicus
topical anti-pruritic agents high potency topical steroids, transition to lower potency can also use oral antihistamine for pruritis
40
what are 2 anti-pruritc agents used for lichen simplex chronicus?
doxepin, menthol preparations
41
what is papulosquamous?
Raised and scaly
42
Superficial fungal infections associated with scaling, erythema, or change in skin pigmentation
Dematophyte infections (tinea)
43
typically asymptomatic macules more commonly found in summer with periodic recurrences. Hypopigmented lesions
Tinea versicolor
44
Round to oval patches of alopecia with erythema Seborrheic dermatitis-like pattern with minimal or no alopecia Follicular pustules with crusting Boggy, tender plaque with follicular pustules (kerion) Diffusely dry scalp
tinea capitis
45
form of tinea capitis with Boggy, tender plaque with follicular pustules
kerion
46
tests for all tineas
Fungal culture | KOH prep
47
tx for tinea corporis/ cruris
topical azole antifungal, use for one week after resolution of symptoms; resort to oral meds if no resolution
48
tx for tinea capitis
oral griseofulvin, terbinafine, or itraconazole
49
tx for tinea pedis
antifungal cream BID until lesions have resolved for three days; resort to oral antifungals if no resolution
50
tx for tinea veriscolor
ketoconazole or selenium sulfide shampoo (Selsun Blue; dandruff shampoo); oral antifungals for non-responders
51
If you press on it and the color goes away then comes back what is it?
Blanchable
52
Adverse skin reaction response to administration of any medication
Drug eruptions
53
Most common type of drug eruptions
Urticarial
54
when can drug eruptions occurs
10-14 days after a patient starts a new medications
55
Small flat top, angular, red to violaceous, shiny, pruritic papules on the skin "lot of P's"
Lichen planus
56
Common locations of lichen planus
flexor surfaces of UE extensor surfaces of LE genitalia mucous membranes
57
White, lacy pattern on the tongue
Lichen planus
58
if what is on top of the purple, patches of lichen plnaus.
white lacy pattern | Wickham striae
59
new lesions may be noted at sites of minor injuries such as scratches or burns
Koebner phenomenon
60
tx for lichen planus
superpotent topical steroids soak and smear technique. systemic steroids if no response
61
What is the soak and smear technique
soak in bath for 20 minutes then immediately put steroids on should be done at night use ointment as solution
62
Self-limiting skin eruption with multiple papulosquamous lesions initial sign is a herald patch widespread rash begins 7-14 days later
Pityriasis rosea
63
tx for pityriasis rosea
Topical steroids or oral antihistamines for itching
64
Well-defined red papules coalescing to plaques; sharply demarcated silvery scales on red plaques
Psoriasis
65
Usually presents
Guttate psoriasis
66
True emergency: Severe form characterized by widespread erythema, scaling, pustule formation
Pustular psoraisis
67
First line Tx for psoriasis
``` emollient topical corticosteroids Vit D analgoues topical retinoids light therapy ```
68
Second line tx for psoriasis
topical immunosuppressants salicylic acid coal tar
69
what is Underlying pinpoints of bleeding following scraping of psorasis plaques
Auspitz sign
70
Generalized hypersensitivity reaction, usually to a drug, in which skin and mucous membrane lesions are an early manifestation
Stevens-Johnson syndrome
71
what usually causes stevens-johnson syndrome
a drug rxn
72
what do the lesions look like with SJS and TEN
targetoid
73
when is a targetoid rash considered TEN?
>30% of body surface area
74
when targetoid lesions occupy 10–30% of body surface area what is it considered
overlap between SJS and TEN
75
do you managed SJS in clinic?
No, you should admit them
76
Tx for SJS
supportive care in hospital
77
where does a patient with TEN admitted to?
Burn unit
78
Acute and self-limiting hypersensitivity reaction Previously thought to be on spectrum of SJS and TEN Mostly triggered by infectious agents, especially HSV
Erythema multiforme
79
3 zones of target lesions with erythema multiforme
raised and cyanotic center, edematous light intermediate ring and bright erythematous border
80
what causes erythema multiforme?
HSV previous infection
81
Tx for erythema multiforme
Medication for any underlying process Topical corticosteroids or oral antihistamines for symptomatic relief Possible antivirals with comorbid viral infection
82
Epidermal detachment with light lateral pressure | seen with SJS
Nikolsky’s sign
83
Large, tense subepidermal blisters and urticarial plaques or bullae commonly occur in the flexural areas of the legs and arms, axillae, abdomen, and groin. Due to autoimmune process
Bullous Pemphigoid
84
what signs will be negative with bullous pemphigoid
Nikolsky | Asboe-Hansen
85
what is required for a dx of bullous pemphigoid
biopsy
86
first line tx for bullous pemphigoid
high potency topical corticosteroids | possible oral steroids
87
chronic inflammatory dermatosis notable for open/closed comedones and inflammmatory lesions, including papules, pustules, or nodules
Acne vulgaris
88
what is a Closed comedones
whitehead
89
wat is an open comedones
blackhead
90
when will you do testing with acne
female comes in with signs of androgenation
91
Chronic condition characterized by recurrent episodes of facial flushing, erythema (due to dilatation of small blood vessels in the face), papules, pustules, and telangiectasia (due to increased reactivity of capillaries) in a symmetrical, facial distribution
Rosacea
92
what differentiated rosacea from acne
lack of comedones
93
tx for rosacea
low dose oral tetracyclines topical metronidazole, or other topical antibiotics topical sulfur-containing compounds
94
what exacerbates rosacea?
Spicy foods heat alcohol sun
95
Inflammation of the hair follicle caused by infection, irritation, or injury Will have pustules at the base of hair follicle
Follicuiltis
96
cause of hot tub foliculitis
pseudomonas
97
Tx for folliculitis
systemic abx haven't been found to be helpful | consult sanford guide