<unk>  (sometimes called just<unk><unk>  is a rare, incurable craniofacial disorder which is characterized by the slow atrophy of the subcutaneous (under the skin) muscle usually on half of the face (hemifacial atrophy). It has a higher prevalence in females and normally appears between the ages of 5 and 15. The condition also causes neurological symptoms, including seizures and severe facial pain.
It is classified as a rare disease in the United States.
Parry-Romberg syndrome
Hashimoto-Pritzker syndrome
Imerslund-Grasbeck syndrome
Iqra sydrome
Senior-Løken syndrome
Sly syndrome
Feigenbaum-Bergeron-Richardson syndrome
Weinstein Kliman Scully syndrome