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[Heidenhain's variant of Creutzfeldt-Jakob's disease]
M Fauquembergue1, C Tilikete, A Perret-Liaudet
1Unite de Neuro-ophtalmologie et service de Neurologie D, Hospices Civils de Lyon, Hôpital Neurologique Pierre-Wertheimer, Bron.
Insights
Heidenhain’s variant of Creutzfeldt-Jakob disease (CJD) presents with initial visual disturbances. Early diagnosis and prevention of iatrogenic transmission during eye exams are crucial for this rare CJD form.
Area of Science:
- Neurology
- Ophthalmology
- Prion Diseases
Background:
- Creutzfeldt-Jakob disease (CJD) exhibits diverse clinical presentations.
- The Heidenhain variant is a rare form characterized by prominent initial visual symptoms.
- These visual symptoms can mimic primary ophthalmological conditions, necessitating thorough differential diagnosis.
Observation:
- A case of a 75-year-old woman with rapidly progressing isolated visual disorders over two months is presented.
- Development of neurological symptoms, electroencephalogram (EEG) abnormalities, and positive 14-3-3 protein supported the CJD diagnosis.
- The patient succumbed 14 months after symptom onset, with post-mortem examination confirming type 1 prion protein.
Findings:
- The Heidenhain variant of CJD can present with isolated visual disturbances.
- Diagnostic confirmation relies on clinical presentation, EEG, CSF biomarkers (14-3-3 protein), and ultimately post-mortem prion protein analysis.
- This case underscores the diagnostic challenges posed by visual-predominant CJD.
Implications:
- Highlights the importance of considering CJD in patients with unexplained, progressive visual loss.
- Emphasizes the need for strict adherence to infection control protocols during ophthalmological procedures to prevent iatrogenic CJD transmission.
- Underscores the critical role of neuroimaging and biomarker analysis in early CJD diagnosis.
Introduction:
Creutzfeldt-Jakob's disease has various anatomoclinical presentations including a rare form with preponderant visual signs described by Heidenhain. In this form, the visual symptoms may be isolated for a few weeks, leading to multiple ophthalmological examinations.
Observation:
We report the case of a 75-year-old woman who developed isolated visual disorders which rapidly increased over a period of two months. Addition of neurological symptoms, abnormalities of EEG and positivity of 14-3-3 protein led to the diagnosis of Creutzfeldt-Jakob's disease. The patient died 14 months after the first neuroophthalmologic signs. The diagnosis was established by post-mortem examination and immuno-electrophoretic demonstration of type 1 prion protein.
Conclusion:
Heidenhain's form of Creutzfeldt-Jakob's disease highlights the importance of general rules for prevention of iatrogenic hazard during ophthalmological examinations.
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