<unk>  (also known as "Siemens-1 syndrome") is a rare X-linked disorder described by Siemens in 1926, a disease that begins in infancy with<unk>  pilaris localized on the face, then evolves to more diffuse involvement.:580,762:649,714
Keratosis follicularis spinulosa decalvans
Poikiloderma of civatte
Ichthyosis bullosa of Siemens
Granuloma faciale
Alopecia mucinosa
Papuloerythroderma of Ofuji
Sycosis vulgaris
Lichen myxedematosus