Ruptured pediatric posterior cerebral artery aneurysm 9 years after the onset of Kawasaki disease: a case report

Authors: Tanaka, Satoshi; Sagiuchi, Takao; Kobayashi, Ikuo

Source: Child's Nervous System, Volume 23, Number 6, June 2007 , pp. 701-706(6)

Publisher: Springer

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Abstract:

A 12-year-old boy who had a history of Kawasaki disease 9 years ago experienced a subarachnoid hemorrhage by ruptured right posterior cerebral artery aneurysm. On day 1 operation, as the aneurysm was very fragile and bled easily, two intraoperative ruptures, including a very premature rupture, were encountered. As a result, a left hemiparesis especially severe in the left hand was caused by the right anterior thalamic infarction due to the occlusion of a thalamo-perforating artery arising near the neck of the aneurysm.

The histopathological examination of the intraoperative excised aneurysmal dome disclosed the thickening of the endothelial inner due to the endothelial hypertrophy and the invasion of inflammatory cells. This finding of the aneurysm was partially mimicking the finding of the coronary artery of the patients with Kawasaki disease. The combination of cerebral aneurysm and Kawasaki disease has never been reported until now, and the etiology of the aneurysm of this patient is unclear.

Keywords: Pediatric cerebral aneurysm; Posterior cerebral artery; Kawasaki disease

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s00381-006-0263-8

Affiliations: 1: Email: stanaka-nsu@umin.net

Publication date: 2007-06-01