Overview

Lichen sclerosus causes thin, white patches, itching and sometimes scarring. It most often affects the vulva but can occur elsewhere.

Possible causes or associations

  • Autoimmune factors
  • Chronic inflammation
  • Unknown triggers

Assessment and management considerations

  • Dermatologic diagnosis
  • Topical corticosteroids under guidance
  • Long-term monitoring

Normal variation note

Not all white patches are lichen sclerosus; assessment is needed.

Key points

  • Chronic inflammatory condition
  • May cause itching and scarring
  • Needs long-term care
  • Associated with cancer risk in some cases

When to seek care

  • Persistent white patches
  • Itching or pain
  • Scarring or architectural change