Miscellaneous Skin Conditions Flashcards Preview

Dermatology (also gross but true) > Miscellaneous Skin Conditions > Flashcards

Flashcards in Miscellaneous Skin Conditions Deck (42)
Loading flashcards...
1

Hereditary skin condition where cell turnover is reduced to 4 days instead of 27 leading to increase in number of cells produced without normal cell keratinization

psoriasis

2

psoriasis plaques that form at the site of a skin injury 1-2 weeks later

Koebner's phenomenon

3

Improves psoriasis

sun exposure

4

Pinpoint bleeding under the scale that results from removal

Auspitz sign

5

Patient presents with salmon pink papules/plaques that are sharply marginated w/silvery-white scaling

psoriasis

6

Most common type of psoriasis. Is well defined, symmetrical, appears on knees, scalp, elbows, lower back

plaque

7

Type of psoriasis commonly found in axilla, groin, naval, submammary region, palms, scalp, soles. NO SCALES and more common in overweight persons

inverse

8

Type of psoriasis that occurs in young adults and children. Multiple small teardrop shaped erythematous papules. Scattered diffusely on the proximal extremities and trunk

guttate

9

Most generalized and least common type of psoriasis with erythema and scaling from head-toe. High risk of systemic infection and electrolyte imbalance

erythrodermic

10

Severe form of psoriasis w/life threatening complications. Acute onset with sheets of superficial pustules with erosions. Associated w/fever, diarrhea, leukocytosis, hypocalcemia

pustular

11

The most common precipitating factors for erythrodermic or pustular psoriasis

acute withdrawal of systemic corticosteroids

12

Useful in all cases of psoriasis. Hydrates stratum corneum and decreases water evaporation. Softens scales

emollients- eucerin, lubriderm, moisturel applied while skin is still damp

13

first line agents for mild/limited plaque psoriasis.

topical steroids

14

Used as add-on therapy with topical steroids for treating psoriasis. Enhances effects of UVB therapy

coal tar

15

VItamin D analog used in mild to moderate plaque psoriasis as an immune modulator. Side effects include hypercalcemia and hypercalciuria when topical doses exceed 100g/wk

Calcipotriol (Dovonex)

16

Less effective than Calcipotriene but much fewer side effects including fewer changes in systemic calcium metabolism

Calcitriol (Rocaltrol)

17

Areas you cannot use calcipotriol (Dovonex) due to irritation

face and groin

18

Systemic therapies only indicated for severe or incapacitating psoriasis or with topical treatment failure

PUVA, methotrexate, retinoid, cyclosporine

19

What do the following have in common: Beta-blockers, NSAIDs, lithium, ACEI, digoxin?

drugs that may exacerbate psoriasis

20

Immune mediated skin eruption of well-circumscribed wheals on an erythematous base. IgE mediated

Urticaria (hives)

21

Hypersensitivity reaction involving the deep layers of the skin. Swelling of the lips, eyelids, palms, soles, genitalia

angioedema

22

Patient presents with edematous, erythematous, well circumscribed blanching wheals with serpiginous borders

urticaria

23

Substances that may aggravate urticaria and angioedema

ASA, NSAIDs, ETOH, ACEI

24

Initial treatment for urticaria and angioedema

H1 blockers (diphenhydramine, fexofenadine)

25

Treatment for urticaria and angioedema refractory to H1 blockers

H2 blockers (Ranitidine)

26

reserved after a trial of maximal doses of antihistamines for urticaria and angioedema

steroids

27

for severe attacks (anaphylaxis like reactions) of urticaria and angioedema

subQ epi

28

What conditions should you consider investigating for patient who presents with urticaria and angioedema?

thyroid and H.pylori

29

formation of antibodies to melanocytes. Often occurs in the context of other autoimmune conditions such as pernicious anemia and Hashiomoto’s thyroiditis

vitaligo

30

Treatment that can help with repigmentation of vitaligo

topical steroids, tacrolimus, psoralens, UVA/UVB