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Early MRI findings in Creutzfeldt-Jakob disease
M Onofrj1, T Fulgente, D Gambi
1Istituto di Neurologia, Università G. D'Annunzio, Chieti, Italy.
Abstract:
We describe the MRI changes preceding the onset of myoclonus in two patients whose post-mortem examination confirmed the diagnosis of Creutzfeldt-Jakob disease (CJD). MRI showed changes in the striatum early in the course of CJD (2-6 months after the onset of apathy, interpreted as depression, and 1-2 months before the onset of further clinical symptoms). Only in one patient did electroencephalography record the typical triphasic sharp-waves, 1 month after MRI.
Insights
Magnetic resonance imaging (MRI) detected early striatal changes in Creutzfeldt-Jakob disease (CJD) patients before myoclonus onset. These MRI findings may aid in earlier CJD diagnosis, preceding other clinical symptoms and typical EEG abnormalities.
Area of Science:
- Neurology
- Neuroimaging
- Pathology
Background:
- Creutzfeldt-Jakob disease (CJD) is a rapidly progressive neurodegenerative prion disease.
- Early diagnosis of CJD is challenging due to non-specific initial symptoms.
- Identifying reliable early biomarkers for CJD is crucial for patient management.
Observation:
- This study details MRI findings in two confirmed Creutzfeldt-Jakob disease cases.
- Striatal abnormalities were observed on MRI scans preceding the onset of myoclonus.
- These changes appeared 2-6 months after initial apathy and 1-2 months before other clinical signs.
Findings:
- MRI revealed early pathological changes in the striatum in CJD.
- Electroencephalography (EEG) showed typical triphasic sharp-waves in only one patient, and this occurred after the MRI findings.
- Striatal MRI changes serve as an early indicator of CJD progression.
Implications:
- Early detection of CJD through MRI may improve diagnostic timelines.
- Striatal MRI changes could represent a key early diagnostic marker for CJD.
- Further research into neuroimaging biomarkers for prion diseases is warranted.