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Post-encephalitic Parkinsonism: current experience

D Rail, C Scholtz, M Swash

Journal of Neurology, Neurosurgery, and Psychiatry

|August 1, 1981

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Post-encephalitic Parkinsonism, a rare diagnosis today, is explored through eight recent patients diagnosed with encephalitis lethargica. This study defines the clinical features for a contemporary understanding of this neurological disorder.

Area of Science:

Neurology
Neuroscience
Infectious Diseases

Background:

Post-encephalitic Parkinsonism (PEP) is a neurodegenerative disorder following encephalitis lethargica.
The diagnosis of PEP is infrequently considered in contemporary clinical practice.

Observation:

This paper presents eight recent cases consistent with encephalitis lethargica.
Six of these cases occurred within the last two decades, challenging the notion of the disorder's obsolescence.

Findings:

The study meticulously defines the characteristic clinical features of encephalitis lethargica.
These defined features facilitate the diagnosis of this rare neurological condition.

Implications:

Re-establishing diagnostic criteria for encephalitis lethargica aids in recognizing PEP.

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This research contributes to a renewed understanding of rare neurological disorders and their potential resurgence.