Repair process in spontaneous intradural dissecting aneurysms in children: report of eight patients and review of the literature |
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Authors: | Dittapong Songsaeng Kittipong Srivatanakul Frédérique Toulgoat Guillaume Saliou Augustin Ozanne Pierre Lasjaunias |
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Institution: | 1.Service de Neuroradiologie Diagnostique Thérapeutique,H?pital de Bicêtre-Université Paris-sud Orsay,Le Kremlin-Bicêtre,France;2.Department of Radiology, Siriraj Hospital,Mahidol University,Bangkok,Thailand;3.Department of Neurosurgery,Asahi General Hospital,Chiba,Japan |
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Abstract: | Objective The objective of this study is to present a series of eight pediatric patients (less than 16 years old) with complete spontaneous
thrombosis of spontaneous intradural dissecting aneurysms.
Material and methods Since 1989, eight consecutive patients in whom the cerebral aneurysms (four in middle cerebral arteries, one in posterior
cerebral artery, three in basilar arteries) were found complete spontaneous thrombosis on follow-up MRI/MRA or conventional
angiography. Patient histories and angiographic features were retrospectively reviewed.
Results Complete thrombosis of aneurysms in between first few days to 7 months was found in eight out of 1,587 patients (0.5%) in
this recent series. Aneurysm repair was related to multivariate processes. Headache (50%), vomiting, and hemiplegia (37.5%)
were common presenting symptoms. Partial or total resolution of the symptoms in a few months was often seen. Associated parent
artery occlusions (50%) were also observed.
Conclusion Spontaneous resolution of intradural dissecting aneurysm with or without parent artery occlusion is not uncommon even in the
pediatric population. Aneurysm repair is a dynamic and multifaceted entity. Mural hematoma appears to be the most important
factor promoting thrombosis and healing of the dissecting intracranial aneurysms. |
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Keywords: | Childhood aneurysm Dissecting aneurysm Intradural aneurysm Spontaneous thrombosis Spontaneous resolution |
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