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2013 ; 2013
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Intracranial aneurysm arising from infundibular dilation
#MMPMID23904431
Pereira BJ
; Holanda VM
; de Holanda CV
; de Oliveira JG
BMJ Case Rep
2013[Jul]; 2013
(ä): ä PMID23904431
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Infundibular dilations (IDs) are funnel-shaped enlargements in the origin of
intracranial arteries. Usually, IDs occur at the junction between posterior
communicating artery (PcomA) and internal carotid artery (ICA). Progression from
an ID of the PcomA to aneurysms has been described, but is unclear whether an ID
is a preaneurysmal state or a normal anatomical variant. The authors describe a
55-year-old female patient presenting multiple intracranial aneurysms with a
small one arising from an ID at the level of posterior communicating segment of
ICA. To the best of our knowledge, after a criterious search in the English
literature, it is the first description of such unusual combination. The
preoperative neurosurgical planning is discussed as well as the importance of
intraoperative findings to the best management of this unusual situation.