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Transcranial sonography in Perry syndrome.
Esen Saka1, M Akif Topcuoglu, Ahmet U Demir
1Hacettepe University Hospitals, Department of Neurology, 06100, Sihhiye, Ankara, Turkey. esensaka@hacettepe.edu.tr <esensaka@hacettepe.edu.tr>
Parkinsonism & Related Disorders
|June 10, 2009
Summary
Transcranial sonography revealed substantia nigra (SN) hyperechogenicity in siblings with Perry syndrome. This finding suggests SN hyperechogenicity may indicate nigral degeneration across various parkinsonism types.
Area of Science:
- Neurology
- Neuroimaging
- Genetics
Background:
- Perry syndrome is a rare, monogenic form of parkinsonism.
- Genetic mutations have recently been identified in Perry syndrome.
- Parkinsonism is characterized by motor symptoms like tremors and rigidity.
Observation:
- Two siblings (male and female) with Perry syndrome were evaluated.
- Both siblings presented with parkinsonism and apathy.
- The female sibling showed advanced symptoms including dyspnea and weight loss.
Findings:
- Both patients exhibited marked substantia nigra (SN) hyperechogenicity on transcranial sonography.
- This finding is typically associated with idiopathic Parkinson's disease.
- SN hyperechogenicity was observed despite the specific genetic cause of Perry syndrome.
Implications:
- Substantia nigra (SN) hyperechogenicity may be a common imaging biomarker for nigral degeneration.
- This suggests a shared pathological pathway in different forms of parkinsonism.
- Transcranial sonography could aid in diagnosing various parkinsonian disorders.
