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Keywords:

  • homocystinuria;
  • dystonia;
  • parkinsonism

Abstract

Movement disorders such as dystonia, chorea or tremor are rarely encountered in patients with homocystinuria. We present 2 siblings with laboratory-confirmed homocystinuria, one with severe generalized dystonia and the other with mild parkinsonism. The movement disorders in our patients appeared in the second and first decades, respectively. © 2004 Movement Disorder Society