Linear nevus sebaceous syndrome (LNSS) is characterized by the association of a large sebaceous nevus, usually appearing on the face or on the scalp, with a broad spectrum of abnormalities that may affect every organ system, including the central nervous system (brain neoplasms, hemimegalencephaly and lateral ventricle enlargement). The disease is linear nevus sebaceous syndrome (MONDO_0008097). Also known as: Nevus Sebaceus Syndrome, Nevus sebaceous of Jadassohn, Nevus sebaceus of Jadassohn, Nevus sebaceus syndrome, Schimmelpenning syndrome, Schimmelpenning-Feuerstein-Mims syndrome, somatic mosaic, Solomon syndrome, linear sebaceous Nevus.