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Differential diagnosis: Juvenile parkinsonism

What is Juvenile parkinsonism?

  • Juvenile parkinsonism is a rare movement disorder with symptoms that present before the age of 211
  • Juvenile parkinsonism is a relatively rare syndrome1

Overlapping and differentiating symptoms of juvenile parkinsonism and AADC deficiency

  • Patients with juvenile parkinsonism have prevalent dystonia and less incidence of cognitive deterioration and postural instability1
  • The distinctive features of Parkinson’s disease are tremors at rest, rigidity, bradykinesia and loss of postural reflexes1
  • Bradykinesia is a cardinal feature of Parkinson’s disease that overlaps with AADC deficiency1,2
  • Other symptoms that appear in juvenile parkinsonism may also appear in AADC deficiency, such as dystonia, autonomic dysfunction, and cognitive delays1,2

Overlapping and differentiating symptoms of juvenile parkinsonism and AADC deficiency

  1. Thomsen TR, Rodnitzky RL. CNS Drugs. 2010;24:467–477.
  2. Wassenberg T, et al. Orphanet J Rare Dis. 2017;12:12.
  3. Hwu P, et al. EMBO Mol Med. 2021;13:e14712

 

Explore interactive clinical case studies 

GL-AADC-1272 | March 2023

Welcome to AADC Insights

A website for healthcare professionals, provided by PTC Therapeutics

This educational website provides information to support the early and accurate diagnosis of rare neurotransmitter disorders, including AADC deficiency

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