Gerstmann-Sträussler-Scheinker disease with atypical presentation.

Area of Science:

• Neuroscience
• Genetics
• Pathology

Background:

• Prion diseases are a group of fatal neurodegenerative disorders characterized by progressive neurological dysfunction.
• These diseases are caused by misfolded prion proteins that aggregate in the brain, leading to neuronal damage.

Observation:

• A 37-year-old woman presented with a decade-long history of progressive sensorineural hearing loss, visual impairment, and ataxia.
• Her condition advanced to include significant neuropsychiatric symptoms, such as cognitive decline, paranoid delusions, and fluctuating consciousness.

Findings:

• The patient was found to be heterozygous for the Q212P mutation in the prion protein gene (PRNP).
• Postmortem examination confirmed the diagnosis of a prion disease, likely a genetic form.

Implications:

• This case highlights the diverse clinical presentations of genetic prion diseases.
• Identifying specific mutations, like Q212P, aids in understanding disease mechanisms and potential diagnostic markers.
• Further research into PRNP mutations is crucial for developing targeted therapies for prionopathies.