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Case ReportOpen Access
De Novo Aneurysm on the Posterior Cerebral Artery: A Case Report and Literature Review
Chankaew E ,
Sitthinamsuwan B 
,
Srirabheebhat P ,
Aurboonyawat T ,
Nunta-aree S
,
Srirabheebhat P ,
Aurboonyawat T ,
Nunta-aree S De novo aneurysm formation is a rare entity of cerebral aneurysms. The authors describe a 19-year-old man presenting with spontaneous intracerebral hemorrhage of unknown etiology. The initial cerebral angiography revealed no identifiable vascular lesion. A few weeks following a surgical evacuation of the hematoma, a tiny saccular aneurysm was incidentally found on the distal posterior cerebral artery (PCA) remote from the site of the primary ictus. Several rationales indicated that it was compatible with a cerebral aneurysm of infective etiology. The aneurysm was successfully treated by antibiotic therapy alone. To the authors’ knowledge, de novo aneurysm on the PCA has rarely been reported.
Keywords: Cerebral de novo aneurysm, Posterior cerebral artery, Cerebral hemorrhage
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