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A novel gene mutation in PANK2 in a patient with severe jaw-opening dystonia

Zuhal Yapici1, Nihan Hande Akcakaya2, Pinar Tekturk1

  • 1Istanbul University, Istanbul Medical Faculty, Department of Neurology, Division of Child Neurology, Istanbul, Turkey.

Brain & Development
|May 18, 2016
PubMed

Insights

Pantothenate kinase-associated neurodegeneration (PKAN) is a rare brain disorder. This study details a PKAN case with severe jaw-opening dystonia, highlighting long-term outcomes and genetic findings.

Area of Science:

  • Neuroscience and Genetics
  • Rare Neurodegenerative Diseases

Background:

  • Pantothenate kinase-associated neurodegeneration (PKAN) is a rare, inherited neurodegenerative disorder.
  • Key features include dystonia, retinopathy, spasticity, and cognitive decline.
  • The "eye-of-the-tiger" sign on MRI aids in diagnosis.

Observation:

  • A 16-year-old male presented with severe, persistent jaw-opening dystonia.
  • This specific dystonia presentation showed limited response to conventional treatments.
  • The case highlights potential heterogeneous etiologies within PKAN.

Findings:

  • Presents long-term follow-up data for a PKAN patient with severe jaw-opening dystonia.
  • Includes detailed genetic analysis results for the described case.
  • Discusses the clinical course and treatment challenges associated with this PKAN phenotype.

Implications:

  • Enhances understanding of PKAN's diverse clinical presentations.
  • Informs differential diagnosis strategies for complex dystonia cases.
  • Suggests the need for tailored therapeutic approaches in PKAN management.
Keywords:
Compound heterozygousityJaw-opening dystoniaPANK2Pantothenate kinase-associated neurodegeneration“Eye-of-the-tiger”

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