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Revue Neurologique
Volume 165, n° 10
pages 831-835 (octobre 2009)
Doi : 10.1016/j.neurol.2008.10.017
Received : 29 January 2008 ;  accepted : 8 October 2008
Hémiballisme vasculaire par atteinte extraluysienne
Vascular hemiballismus due to extraluysian lesions

N. Adali , N. Kissani
Service de neurologie, CHU Mohammed-VI, BP 4612, casa-Elfida 20000 Casablanca, Maroc 

Auteur correspondant .

L’hémiballisme représente moins de 7 % des mouvements anormaux et se voit classiquement dans les atteintes luysiennes controlatérales. Les auteurs rapportent un cas d’hémiballisme par atteinte extraluysienne et discutent de sa physiopathologie.


Une femme, âgée de 74ans, diabétique et hypertendue, consulta pour la survenue une semaine auparavant d’un hémiballisme gauche. L’IRM encéphalique montrait un hématome du noyau lenticulaire droit avec une leucoencéphalopathie vasculaire mais l’intégrité des deux corps de Luys. L’évolution fut bonne après traitement par l’halopéridol.


Ce cas confirme que l’hémiballisme n’est pas pathognomonique d’une lésion du corps de Luys controlatéral, mais que son pronostic est bon dans la majorité des cas.

The full text of this article is available in PDF format.

Hemiballismus is a very rare disorder; less than 7% of all hyperkinetic disorders. Classically, a lesion of the contralateral corpus Luysii is involved. We report a case of hemiballismus due to an extraluysian lesions and discuss the underlying pathophysiology.

Case report

A 74-year-old women, with a history of diabetes and hypertension, developed left-sided hemiballismus one week before admission. The brain MRI showed a right lenticular nucleus hematoma with vascular leucoencephalopathy. The patient was given haloperidol and recovered well. The brain MRI showed the integrity of both corpus Luysii .


Hemiballismus has been classically characterized as pathognomonic of a lesion in the contralateral corpus Luysii . However, many cases due to an extraluysian lesion of the striatum, caudate or thalamus have been reported recently. Prognosis is benign in most cases.

The full text of this article is available in PDF format.

Mots clés : Hémiballisme, Corps de Luys, IRM

Keywords : Hemiballismus, Corpus Luysii , MRI

© 2008  Elsevier Masson SAS. All Rights Reserved.
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