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Updated: Jul 28, 2026

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Published on: July 4, 2007
Long survival in subacute sclerosing panencephalitis
Abstract:
A case is reported of a boy who at the age of 14 years developed subacute sclerosing panencephalitis. He deteriorated over a period of 9 months, improved greatly and remained stable for 7 years before relapse. The final deterioration to death extended over 6 years. During the whole period he was examined regularly and the electroencephalogram recorded at 3 to 6 monthly intervals. The brain was examined histologically after death. Electroencephalographic and pathological features are described.
Insights
Subacute sclerosing panencephalitis (SSPE) is a rare, fatal neurological disease. This case study details a 14-year-old boy
Area of Science:
- Neurology
- Pediatrics
- Pathology
Background:
- Subacute sclerosing panencephalitis (SSPE) is a rare, progressive neurological disorder.
- It is a late complication of measles virus infection, typically occurring years after the initial illness.
Observation:
- A 14-year-old male developed SSPE, presenting with initial deterioration over 9 months.
- The patient experienced a significant period of stability lasting 7 years before a relapse occurred.
Findings:
- The final phase of deterioration leading to death spanned 6 years.
- Regular electroencephalogram (EEG) monitoring and post-mortem histological examination of the brain provided detailed pathological and electrophysiological insights.
Implications:
- This case highlights the variable clinical course of SSPE, including prolonged latency and relapse.
- Understanding the long-term electroencephalographic and pathological features is crucial for diagnosing and managing this rare condition.
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