Lichen planus Flashcards
1
Q
Common sites for lichen planus?
A
Forearms, wrists, legs
Can be in oral mucosa - so check here
2
Q
Describe lichen planus lesions
A
Violaceous (lilac) flat topped papules or hyperpigmented papules
Symmetrical distribution
In darker skin = skin has purplish tinge
In mouth = white lace pattern on buccal mucosa
3
Q
Associated features of lichen planus?
A
Nail changes (thinning)
Hair loss
Mouth - painless lacy white streaks (white lace pattern - Wickham striae)
4
Q
Investigations for possible lichen planus?
A
Skin biopsy
5
Q
Management for lichen planus?
A
Corticosteriods - topical
Antihistamines
6
Q
Drug causes of lichen planus?
A
Quinines
Thiazides