Hemiparkinsonism-hemiatrophy syndrome

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Synonyms: HP-HA syndrome

Hemiparkinsonism-hemiatrophy syndrome is a rare parkinsonian disorder characterized by unilateral body atrophy and slowly progressive ipsilateral hemiparkinsonian signs (bradykinesia rigidity and tremor). Patients typically present with unilateral action-induced dystonia in upper or lower limbs that progresses and becomes bilateral or with tremor which occurs predominantly at rest and progresses to hemiparkinsonism. Scoliosis scapular winging raised shoulders brisk reflexes and extensor plantar responses are frequently associated.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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