Progressive Supranuclear Palsy Differential Diagnoses
- Author: Eric R Eggenberger, DO, MS, FAAN; Chief Editor: Selim R Benbadis, MD more...
Diagnostic Considerations
The diagnosis of progressive supranuclear palsy (PSP) is clinical. The key features typically develop over time; although the full-blown picture may be relatively easy to recognize, the early or restricted cases are much more challenging (see Physical Examination).
Misdiagnosis is always a potential medicolegal pitfall, especially in diseases such as PSP, for which objective diagnostic tests are unavailable. Treatable disorders, such as idiopathic Parkinson disease, should be considered. Offering the patient and family a second opinion in the setting of an untreatable fatal illness is always worthy of consideration.
In addition to the conditions listed in the differential diagnosis (see below), other problems to be considered include the following:
- Hydrocephalus and normal pressure hydrocephalus (dementia, urinary dysfunction, gait abnormality, imaging findings)
- Machado-Joseph Azorean disease (family history, cerebellar signs, findings on genetic test)
Differential Diagnoses
- Absence Seizures
- Alzheimer Disease
- Amyotrophic Lateral Sclerosis
- Apraxia and Related Syndromes
- Catatonia
- Cortical Basal Ganglionic Degeneration
- Dementia in Motor Neuron Disease
- Dementia With Lewy Bodies
- Dizziness, Vertigo, and Imbalance
- Hallervorden-Spatz Disease
- Huntington Disease
- Multi-infarct Dementia
- Multiple System Atrophy
- Myasthenia Gravis
- Neuroacanthocytosis
- Neuroacanthocytosis Syndromes
- Normal Pressure Hydrocephalus
- Olivopontocerebellar Atrophy
- Parkinson Disease
- Parkinson Disease in Young Adults
- Parkinson-Plus Syndromes
- Pelizaeus-Merzbacher Disease
- Prion-Related Diseases
- Syringomyelia
- Whipple Disease
- Wilson Disease
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