Spontaneous anterior meningeal arterial aneurysmal rupture

: The paper describes a rare case of a patient with spontaneous rupture of nontraumatic anterior meningeal arterial aneurysmal rupture. The patient underwent clipping of the neck of the aneurysm and its excision. A detailed account of intraoperative signs of this aneurysm is given. Angiographic and morphological data and the morphological pattern confirming the true pattern of the aneurysm are presented.