disease has location vulvar dystrophy vulvar lichen sclerosus UMLS:C0022783 MESH:D007724 mammalian vulva lichen sclerosus et atrophicus vulvar lichen sclerosus NCIT:C27723 MEDGEN:7228 EFO:1000623 MONDO:0006491 lichen sclerosus et atrophicus of mammalian vulva A chronic inflammatory disorder of unknown etiology that affects the vulva. It is characterized by the development of white elevated plaques in the vulva. Histologically there is marked subepithelial fibrosis. Clinical manifestations include pruritus, dysuria, and dyspareunia. lichen sclerosus et atrophicus mammalian vulva