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Updated: May 17, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
[Anterior cerebral artery aneurism presenting as a third ventricular mass and hydrocephalus. Case report]
Julián Castro Castro1, Jesús Patricio Agulleiro Díaz, Juan Manuel Villa Fernández
1Servicio de Neurocirugía, Complejo Hospitalario Universitario de Ourense, Ourense, España.
Abstract:
Aneurysms which appear as third ventricular masses are uncommon; most are giant aneurysms arising from the basilar apex. We present the case of a 67-year-old male who was admitted to hospital with a 4-week history of gait instability, urinary incontinence and progressive visual loss. A cranial computed tomography scan revealed a hyperdense mass in the third ventricle with triventricular dilatation. Cerebral magnetic resonance imaging, magnetic resonance-angiography and conventional angiography identified this lesion as a partially thrombosed aneurysm of the anterior cerebral artery. To our knowledge, this is the first report of an anterior cerebral artery aneurysm with these clinical and radiological features.
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