Article (Scientific journals)
Rupture of anterior communicating artery aneurysms during computed tomography angiography: description of the pathway for intraseptal and intraventricular hemorrhage.
SCHOLTES, Félix; Signorelli, Francesco; Bojanowski, Michel W.
2011In Journal of Neurosurgery, 115 (3), p. 617-20
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Keywords :
Aneurysm, Ruptured/radiography; Cerebral Angiography; Female; Humans; Intracranial Aneurysm/radiography; Middle Aged; Subarachnoid Hemorrhage/radiography
Abstract :
[en] Intraventricular hemorrhage is common after the rupture of anterior communicating artery (ACoA) aneurysms, although the anatomical pathway has not been described. Knowledge of the mechanism of hemorrhage may enhance understanding of its prognosis. Using CT angiography, the authors analyzed this pathway in 2 cases of ACoA aneurysm rupture associated with intraventricular hemorrhage. The initial hemorrhages created a hyperdense ventriculographic image on which the subsequent contrast medium ejection could be followed. The contrast medium entered the subarachnoid space of the anterior interhemispheric fissure and broke through the lamina rostralis into the septum pellucidum and into the frontal horns of the lateral ventricles. Thus, the authors provide an explanation for bleeding from ACoA aneurysms into the ventricular system in the presence of an intact lamina terminalis. The septum pellucidum may act as a buffer before extension of the bleeding into the ventricular system.
Disciplines :
Neurology
Author, co-author :
SCHOLTES, Félix  ;  Centre Hospitalier Universitaire de Liège - CHU > Neurochirurgie
Signorelli, Francesco
Bojanowski, Michel W.
Language :
English
Title :
Rupture of anterior communicating artery aneurysms during computed tomography angiography: description of the pathway for intraseptal and intraventricular hemorrhage.
Publication date :
2011
Journal title :
Journal of Neurosurgery
ISSN :
0022-3085
eISSN :
1933-0693
Publisher :
American Association of Neurological Surgeons, United States - Illinois
Volume :
115
Issue :
3
Pages :
617-20
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 November 2013

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