To the Editor.—
The article by Keren et al (Archives 37:392-393, 1980) described the case of a 7-month-old child with a peripherally located intracranial aneurysm that had ruptured. This report is important, for it emphasizes that intracranial aneurysms do occur in childhood and that they often appear as a subarachnoid hemorrhage (SAH).1Cerebral artery aneurysms are rare in the pediatric age group, accounting for approximately 1.3% of the aneurysms of all groups.1 When they do occur, they often appear as an SAH, but up to 28% will appear because of a mass effect from the aneurysm.2 Intracranial aneurysms in childhood tend to occur at sites different from those in adulthood. In early childhood (0 to 2 years), aneurysms tend to arise from the middle cerebral artery (MCA) or from the vertebrobasilar system; in the review of Orozco et al,3 40% of the aneurysms in early childhood
Vincent FM. Intracranial Aneurysms. Arch Neurol. 1980;37(9):602. doi:10.1001/archneur.1980.00500580098026
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