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Huntington's disease, case report.

Ante Ivkosic1, Marina Titlic, Tade Tadic

  • 1Split University Hospital, Laboratory for Clinical and Forensic Genetics.

Neurologia I Neurochirurgia Polska
|August 13, 2003
PubMed
Summary

Huntington's disease (HD) is a neurodegenerative disorder caused by a CAG triplet expansion in the HD gene. This paper details a 36-year-old female patient's diagnostic journey, including genetic testing and family pedigree reconstruction.

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Area of Science:

  • Neurogenetics
  • Neurology
  • Clinical Diagnostics

Background:

  • Huntington's disease (HD) is a chronic neurodegenerative disorder presenting with chorea, cognitive decline, and behavioral changes.
  • The genetic basis of HD involves an expanded CAG nucleotide triplet repeat within the HD gene, identified on chromosome 4p16.3.
  • Understanding the genetic mutation is crucial for diagnosing and managing this progressive condition.

Observation:

  • This study focuses on a 36-year-old female diagnosed with Huntington's disease.
  • The patient underwent a comprehensive diagnostic evaluation.
  • Diagnostic procedures included detailed clinical assessments and specific genetic testing for the HD mutation.

Findings:

  • Genetic testing confirmed the characteristic CAG triplet expansion, confirming the diagnosis of Huntington's disease.

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  • Family pedigree reconstruction provided insights into the inheritance pattern of the disease within the patient's lineage.
  • The diagnostic procedure successfully identified the genetic cause of HD in the patient.

    • Implications:

    • Accurate genetic diagnosis is essential for effective Huntington's disease management and patient counseling.
    • Pedigree analysis aids in understanding disease transmission and identifying at-risk family members.
    • This case highlights the importance of integrated diagnostic approaches, combining clinical evaluation with genetic testing for neurodegenerative disorders.