dermatitis lichen sclerosus et atrophicus https://www.malacards.org/card/lichen_sclerosus_et_atrophicus A chronic inflammatory process affecting the skin. It is characterized by the presence of white, indurated plaques, epidermal atrophy, and fibrosis of the upper dermis. It usually appears in the vulva and penis. LSA lichen sclerosis NCIT:C26817 lichen sclerosis et atrophicus lichen SCLEROSUS ET ATROPHICUS Orphanet:33409 UMLS:C0023652 MONDO:0007899 SCTID:25674000 lichen sclerosus et atrophicus MEDGEN:7338 MESH:D018459 OMIM:151590 ICD10CM:L90.0 lichen sclerosus hereditary skin disorder