<unk>  (MTS) is a rare X-linked recessive syndrome also known as deafness–dystonia syndrome and caused by mutation in the TIMM8A gene. It is characterized by clinical manifestations commencing with early childhood onset hearing loss, followed by adolescent onset progressive or , visual impairment from early adulthood onwards and dementia from the 4th decade onwards. The severity of the symptoms may vary, but they progress usually to severe deafness and dystonia and sometimes are accompanied by cortical deterioration of vision and mental deterioration.
Mohr–Tranebjærg syndrome
Melkersson–Rosenthal syndrome
Sensenbrenner syndrome
Dahlberg Borer Newcomer syndrome
Juberg-Hayward syndrome
Gougerot–Blum syndrome
Rosenthal–Kloepfer syndrome
König's syndrome