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Hémodissection Pariétale Oblitérante des Vaisseaux Intracrâniens, une Forme Particulière d’Anévrysme Disséquant

Published online by Cambridge University Press:  03 July 2018

F. Gagne ,
M. Lemay  and
S. Verret
F. Gagne*
Affiliation:
Departments of Pathology and Neurology of the Hospital Infant Jesus, Quebec, Quebec, Canada
M. Lemay
Affiliation:
Departments of Pathology and Neurology of the Hospital Infant Jesus, Quebec, Quebec, Canada
S. Verret
Affiliation:
Departments of Pathology and Neurology of the Hospital Infant Jesus, Quebec, Quebec, Canada
*
Department of Pathology, Hospital Infant Jesus, 1401, 18th St., Quebec, Quebec G1J 1Z4, Canada.
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Summary

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A six year old girl complained of sudden severe headache, became hemiplegic and unconscious. A right carotid arteriogram revealed an obstruction of the right anterior cerebral artery and many sylvian branches. Death occurred four days later. At autopsy, a recent softening of nearly all the right middle cerebral arterial territory was found. Thrombus filled the sylvian artery and its main branches. Histologic examination of the vessel walls showed a dissecting infiltration of blood between the internal elastic lamina and the media. This particular form of dissecting aneurysm, occurring in young subjects, in the absence of atherosclerosis, high blood pressure and idiopathic medial necrosis, represents a distinct nosologic entity that has been called “Obstructive parietal hemodissection of intracranial vessels.” The pathogenesis of the disease is unknown: trauma has been mentioned, also congenital defects in the elastic lamina or other morphologic abnormalities ofthat lamina.

Résumé

Résumé

Une fillette de six ans décède rapidement des suites d’une obstruction artérielle sylvienne droite survenue inopinément. L’autopsie révèle un clivage de la paroi sylvienne droite avec introduction de sang entre la limitante élastique interne et la média, et thrombose secondaire.

Cette forme particulière d’anévrysme dissèquent constitue une entité nosologique bien caractéristique qu’on a appelée “Hémodissection pariétale oblitérante des vaisseaux intracraniens.” Elle atteint des sujets jeunes et sa cause précise demeure inconnue.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 4 , Issue 1 , February 1977 , pp. 63 - 65
Copyright
Copyright © Canadian Neurological Sciences Federation 1977

References

Bibliographie

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