<unk>  can be diagnosed by the presence of increased levels of 3-methylglutaconic acid in the urine, or 3-methylglutaconic aciduria. Treatment == There is currently no cure for<unk> . Treatment is supportive, and thus focuses on management of the symptoms. The resulting visual impairment, spasticity, and movement disorders are treated in the same way as similar cases occurring in the general population.
Costeff syndrome
Bangstad syndrome
Ross' syndrome
Melnick–Needles syndrome
Feingold syndrome
Young–Simpson syndrome
Raymond–Céstan syndrome
Jeavons syndrome