LICHEN SCLEROSUS
Synonyms/site-specific names: Lichen sclerosus et atrophicus Kraurosis vulvae Balanitis xerotica obliterans (lichen sclerosus of the penis)
Key features
Sclerotic, ivory-white, flat papules and plaques with epidermal atrophy and, in extramucosal sites, follicular plugging
Most commonly affects female or male genitalia, less often extra- genital skin
May cause scarring of the vaginal introitus or phimosis
Severe pruritus may occur
No systemic manifestations