The case of a 6 year-old boy, who was hospitalized with the diagnosis of purulent meningitis is reported. The CSF examination disclosed pleocytosis and the antibioticotherapy was instituded. The bilateral carotid angiography demonstrated an arterial aneurysm of the frontal ascendent artery with hematoma in the left side, and another in the posterior temporal artery, in the right side. The patient was operated on because of the hematoma, in the left side. The condition of the patient in the post-operatory period deteriorated and the death ocurred. The post-mortem examination disclosed a sub-arachnoidal hemorrhage, fronto-temporal hematoma in the left side and a para-capsular hematoma in the right side. The histological examination of the central part of the hematoma revealed a dilated arterial walls with a supurative inflammatory process. The authors took in consideration the frequency of mycotic aneurysms in children, especially the multiplicity of them, the etiopathogeny and their localization in the intracranial arterial tree.