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Unruptured Fronto-Orbital Artery Aneurysm Anomalously Originating from the Proximal Segment of the Anterior Cerebral Artery(A1)Concurrent with Tuberculum Sellae Meningioma:A Case Report Daisuke HAYASHI 1 , Toshiyuki AMANO 1 , Satoshi MATSUO 1 , Akira NAKAMIZO 1 1Department of Neurosurgery, Clinical Research Institute, National Hospital Organization Kyushu Medical Center Keyword: variant fronto-orbital artery , meningioma , aneurysm , concurrence pp.445-449
Published Date 2020/5/10
DOI https://doi.org/10.11477/mf.1436204207
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 We report a case of an unruptured aneurysm arising from the bifurcation of the fronto-orbital artery originating from the proximal segment of the left anterior cerebral artery(A1)concurrent with a tuberculum sellae meningioma. A 46-year-old woman presented with a right visual disturbance and left temporal hemianopsia. Preoperative neuroradiological examination showed a heterogeneously enhanced extra-axial suprasellar tumor expanding to the right optic canal and 3-mm diameter aneurysm arising from the bifurcation of the fronto-orbital artery originating from the proximal segment of the left anterior cerebral artery(A1). She underwent total removal of the tumor and neck clipping of the aneurysm via a right pterional approach without any additional deficits. Postoperative MRI and 3D CTA showed total tumor removal and complete obliteration of the aneurysm. The patient was discharged 21 days after surgery without new or worsened postoperative neurological deficits.

 Cerebral aneurysm concurrent with meningioma is extremely rare. Preoperative diagnosis and appropriate assessment of both the meningioma and unruptured aneurysm are warranted to prevent severe complications.


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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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