Lichen Planus Flashcards
1
Q
Aetiology of lichen planus
A
Idiopathic
Possibly AI involvement/ Hep C
T cells induce apoptosis of Keratinocytes
2
Q
Sites affected by Lichen Planus
A
Favours flexors + extremities Wrists Ankles Small of back Mouth Genitalia
3
Q
6 features of lichen planus
A
Papular Planar- Flat topped Polished- shiny Pruritic Polygonal/ pigmented Purple- Violaceous
4
Q
Tx for lichen planus
A
Clobetasol/ Betamethasone TOP
Antihistamines to reduce itch
5
Q
Describe oral presentation of lichen planus
A
Lacy, reticulate streaks on cheeks, gums + lips
6
Q
Describe the surface of lesions in lichen planus
A
Fine network of dots/ lines = Wickham’s striae
