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  • Title: Relief of hemiballism from a basal ganglia arteriovenous malformation after radiosurgery.
    Author: Kurita H, Kawamoto S, Sasaki T, Shin M, Ueki K, Momose T, Terahara A, Kirino T.
    Journal: Neurology; 1999 Jan 01; 52(1):188-90. PubMed ID: 9921874.
    Abstract:
    A patient with a 3-year history of progressive hemiballism presented with an unruptured arteriovenous malformation (AVM) in the contralateral caudate nucleus and putamen. PET demonstrated a matched reduction of cerebral blood flow (CBF) and cerebral metabolic rate of oxygen (CMRO2) in the basal ganglia and adjacent frontal lobe. The patient underwent radiosurgery for the AVM. After a period of no clinical change for 6 months, the movement disorder resolved by month 7 post-treatment. The AVM was successfully obliterated 2 years after irradiation without any significant change in the regional CBF or CMRO2.
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