Dermatology
Lichen Planus
편평태선
Purple pruritic polygonal papules
- How common
- Common
- Typical age
- Variable age
What is it?
Core pathophysiology of Lichen Planus.
Commonly affected: Affected skin region
How it develops
- TriggerTriggering factor for Lichen Planus
- Local changeTissue-specific changes occur
- ManifestationCharacteristic clinical features appear
- CourseCourse depends on treatment
Symptoms
- Characteristic rashClassic Lichen Planus rash
- Itch/painVaries by lesion
- Local inflammationErythema/edema
How it is examined
- Visual/palpationInspect lesion type and distribution
- Biopsy if neededPunch biopsy if diagnosis unclear
Imaging
Mostly clinical; imaging usually unnecessary.
- Clinical diagnosis
Adjunctive labs if needed (KOH, culture).
- Lab findings
Non-surgical care
- Topical therapyTargeted topical treatment
- Avoid triggersEliminate identified triggers
- SymptomaticAntihistamines/analgesics
Conservative options are generally tried first. Medications listed here can have side effects — discuss them with your prescriber.
When surgery is considered
Refractory or complications
Procedures that may be discussed
- Systemic therapy
- Procedural treatment
Outlook
Good with appropriate treatment.