Psoriasis

Question 1

What is a T cell mediated AI disease?

Answer 1

psoriasis

Question 2

What causes this?

Answer 2

overactive immune system, increased C reactive protein

Question 3

What are some triggers?

Answer 3

skin injury, infections, HIV, hypocalcemia, pregnancy, stress, drugs, ETOH, smoking, obesity

Question 4

sharply demarcated erythematous plaques with thick white scale (elbows, knees, trunk, parasacrum, scalp); usually symmetrical but doesn’t have to be; may be itchy during flare

Answer 4

classic psoriasis vulgaris

Question 5

What is erythrodermic psoriasis?

Answer 5

MEDICAL EMERGENCY if pt feels ill - 90% body

Question 6

shiny erythematous plaques that have no scale because of constant friction in involved areas (axillae, inframammory folds, and groin); can be extremely itchy

Answer 6

Inverse psoriasis

Question 7

dew drop shaped papules and plaques (trunk, extremities); most common in children, esp post-strep infection; usually self-limited but can be a sign that child will develop psoriasis in future (guttate means “droplike”)

Answer 7

guttate psoriasis

Question 8

filtration of inflammatory neutrophils cause sterile pustules (generalized or localized); triggers include pregnancy, tapering of steroids, certain biologics, hypocalcemia, infections, irritants; debilitating

Answer 8

pustular psoriasis

Question 9

sterile pustules with brown macules and sometimes peeling; most pts have psoriasis only in these locations; hardest to treat; usually caused by smoking, infections and stress

Answer 9

pustulosis of palms and soles

Question 10

large, well-defined and localized plaques with thick white scale, extremely itchy, can be mistaken for seb derm but will extend onto forehead

Answer 10

Scalp psoriasis

Question 11

How do you differentiate scalp psoriasis from seborrheic dermatosis?

Answer 11

scalp goes onto forehead