A 25 year old woman presents with pruritic purple papules on the flexor surface of her wrist


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A 25 year old woman presents with pruritic purple papules on the flexor surface of her
wrist. A white lacy pattern is identified on her buccal mucosa. What is the SINGLE most
likely diagnosis?
A. Leukoplakia
B. Candida infection
C. Lichen simplex
D. Lichen sclerosus
E. Lichen planus
Lichen planus
Lichen planus is a skin disorder of unknown aetiology, most probably being immune
mediated.
Features

  • Purple, pruritic, papular, polygonal rash on flexor surfaces
  • Lacy white pattern on buccal mucosa
    Mnemonic: 4P
    Purple
    Pruritic
    Papular
    Polygonal rash