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Keywords:

  • parkin;
  • monogenetic parkinsonism;
  • psychogenic movement disorders;
  • conversion disorder;
  • chronic fatigue syndrome

Abstract

Background:

We report 4 patients with young-onset monogenetic parkinsonism, each of whom was misdiagnosed with either a psychogenic movement disorder or chronic fatigue syndrome for 10 to 23 years after the onset of their first symptoms.

Results:

Once the diagnosis was eventually made, they all had a rapid and excellent response to levodopa, albeit with the early appearance of interdose dyskinesias in 3.

Conclusions:

We discuss possible reasons for the missed diagnosis despite the relentless progression of their motor handicap. DAT scanning supported the revised clinical diagnosis of parkinsonism. © 2011 Movement Disorder Society