Subarachnoid Hemorrhage Due to a Ruptured Middle Cerebral Artery Bifurcation Aneurysm Superimposed by an Idiopathic Intracerebral Hematoma

A rare case of idiopathic subcortical intracerebral hematoma superimposed on the subarachnoid hemorrhage due to the rupture of an ipsilateral middle cerebral artery bifurcation aneurysm is reported and pertinent literatures are reviewed.