Lichen Simplex Chronicus

Question 1

LSC

Answer 1

thickened area of skin from rubbing or scratching. Targeted form of lichenification, consequence of a disease

Question 2

Epidemiology

Answer 2

20 or older, more common with women, more frequent in Asians

Question 3

Patho

Answer 3

itching becomes a habit, hx of atopy, hyperplasia from scratching

Question 4

Clinical features

Answer 4

brown flat papule with heightened skin lines and excoriations, itching worse at night

Question 5

locations

Answer 5

posterior neck, occipital scalp, forearms and lower legs, ankles

Question 6

tx

Answer 6

stop the cycle, occluded topical steroids and intralesional steroids, oral gabapentin

Question 7

educational point for pts

Answer 7

stop scratching, occlusive dsg at night to stop, can do patch testing as it could be due to a contact derm