Eczematous and Papulosquamous Disorders Flashcards

1
Q

Hallmark of disease is pruritus. Scratching leads to eczamatous change and lichenification. Lesions may ooze, crust, become purulent

A

atopic dermatitis (eczema)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Two very common locations for atopic dermatitis

A

antecubital and popliteal flexure areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Antihistamines used to treat pruritus of atopic dermatitis

A

doxepin or vistaril

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Solution used to dry up oozing lesions

A

Burows (Domeboro)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Corticosteroid treatment for mild to moderate cases of atopic dermatitis

A

desonide 0.05% or hydrocortisone 2.5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

High potency corticosteroid treatment for moderate atopic dermatitis

A

fluocinolone 0.025%, triamcinolone 0.1%, betamethasone dipropionate 0.05%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Used for patients who require therapy to the face or skin folds for more than three weeks

A

Topical calcineurin inhibitors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name the Topical calcineurin inhibitors

A

tacrolimus (protopic) and pimecrolimus (Elidel)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Black box warning of Topical calcineurin inhibitors

A

increase the incidence of skin cancer and lymphoma with long term use

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Coin shaped lesions that usually occur on the trunk and lower extremities. Tx is the same as for atopic dermatitis

A

nummular eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

occurs as a result of chronic eczematous changes and scratching. Circumscribed plaque of thickened skin with increased markings with some scaling

A

lichen simplex chronicus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Vesicular eruption on the skin of the hands and feet marked by intense itching (vesicles are deep). Scaling, fissures and lichenification may follow

A

dyshydrotic eczema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Caused by direct exposure to a substance as far back as 2 weeks ago or may develop rxn to products that have been used for yrs. Intense pruritis, rash, papular erythematous lesions

A

contact dermatitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Common plant substance in north america found in poison ivy/oak/sumac, mango skin, or gingko fruit, that is responsible for contact dermatitis

A

oleoresin urushiol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Systemic corticosteroids that can be used for plant based contact dermatitis that covers a large area (>10% BSA), face, or genitals

A

prednisone 2-3 wks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Topical corticosteroids for contact dermatitis

A

clobetasol 0.05% crm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Helpful for treating pruritus of allergic contact dermatitis but not plant based

A

antihistamines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Caused by a combination of wetness, pH elevation and friction. Erythema in diaper area

A

diaper dermatitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

When should you suspect candidal infection secondary to diaper dermatitis?

A

predominately in creases and there are satellite lesions

20
Q

Treatment for diaper dermatitis without secondary yeast infection

A

frequent diaper changes, vaseline or desitin

21
Q

Treatment for diaper dermatitis with secondary yeast infection

A

topical antifungal (nystatin, miconazole, clotrimazole), vaseline. No steroids

22
Q

Treatment of candidiasis if failure of topical therapy

A

oral fluconazole (diflucan)

23
Q

1-2 mm clustered erythematous papules, paulovesicles or paulopustules with or without scale. Occurs most often around the mouth sparing the vermillion border

A

perioral dermatitis

24
Q

What is perioral dermatitis strongly correlated with?

A

topical steroid use

25
First line treatment for perioral dermatitis
topical calcineurin inhibitors***, topical erythromycin, or topical metronidazole
26
What diseases may have widespread seborrheic dermatitis?
HIV and Parkinson's
27
Erythematous scaling patches develop in areas of sebaceous glands (scalp, face, trunk)
seborrheic dermatitis
28
What is thought to be the pathogen responsible for seborrheic dermatitis?
saphrophyte Malessezia (pityrosporum ovale)
29
In addition to erythema, some pruritus, and distribution involving nasolabial folds and central face, what characterizes clinical manifestation of seborrheic dermatitis
swollen and greasy appearance
30
Treatment of seborrheic dermatitis if located on the scalp
T-gel, selenium sulfide, zinc pyrithione, or ketoconazole shampoo
31
Treatment of non-scalp seborrheic dermatitis
ketoconazole, ciclopirox, tacrolimus, or pimecrolimus crm.
32
What can be added on to treatment of non-scalp seborrheic dermatitis in severe cases?
low potency topical corticosteroid for 1-2 weeks
33
Medications that may cause lichen planus
ACE inhibitors and beta blockers
34
Shiny, flat, polygonal, violaceous papules or plaques with white lacy pattern that is a clinical manifestation of lichen planus
Wickham's striae
35
How is lichen planus diagnosed?
biopsy
36
In addition to Wickhan's striae, symptoms include White reticulate lesions occur on mucosal surfaces that are intensely pruritic
lichen planus
37
Initial tx of localized cutaneous lichen planus on trunk or extremities
high potency corticosteroids
38
Treatment for patients with widespread lichen planus
phototherapy, acitretin, systemic glucocorticoids
39
Occurs from blood pooling due to chronic venous insufficiency. Hemosiderin from the blood cells stain the skin
stasis dermatitis
40
Treatment of stasis dermatitis
compression stockings and elevation of legs
41
What is the first sign of pityriasis rosea?
herald patch
42
Salmon colored lesions that are often oval with long axis paralleling the lines of skin stress (christmas tree distribution). Resolves in 6-10wks.
pityriasis rosea
43
Treatment for severe cases of pityriasis rosea
acyclovir or phototherapy
44
manifestation of the mildest form of seborrheic dermatitis
dandruff
45
What is the likely etiology for a lesion that is small, starts to grow with steroids and has central clearing?
fungal
46
What combination of treatments for skin conditions should be avoided?
steroid and antifungal
47
Difference between tinea versicolor and vitaligo
tinea versicolor has scaling