<unk>  is a form of phakomatosis, a disease of the central nervous system accompanied by skin abnormalities. It is characterized by the out of the ordinary pigment of the skin that is abnormal to one's genetics or the color perceived on a basis. The condition is named after the team of medical professionals who first wrote it up, describing the appearance of the syndrome in a family from Jordan. It was characterized in 1980 by Adnan<unk> , a Jordanian doctor.
Abdallat–Davis–Farrage syndrome
Nance–Horan syndrome
Hoyeraal–Hreidarsson syndrome
Wallis–Zieff–Goldblatt syndrome
Zadik–Barak–Levin syndrome
Susac's syndrome
Snyder–Robinson syndrome
Wilkinson's syndrome