Lichen planus
- Chronic inflammatory disease of unknown etiology
- Associated with hep C
- Cutaneous lichen planus
- 5 P’s
- Purple
- Planar
- Pruritic
- Polygonal
- Papules
- Wickham striae – characteristic white lines
- 5 P’s
- Mucosal lichen planus
- Wickham striae in oral cavity
- Painful, erosive lesions in oral cavity
- Can also affect oesophagus
- Genital lichen planus
- Papules on genital organs
- Treatment
- Topical/oral steroids
- Phototherapy