fig 6.

A, Aneurysmal dilation of the supraclinoid segment of the right internal carotid artery. Rupture sites (arrows) are present between the posterior communicating and anterior choroidal arteries, as well as along the M1 segment of the right middle cerebral artery.

B, Histopathologic examination shows severe inflammatory change, necrosis of the arterial wall and elastica, intralumenal thrombosis, and focal rupture site (asterisk). Inset: (Grocott stain) Septated hyphae branching at acute angles, morphologically consistent with aspergillus species, located predominantely in the vessel wall and adventitia are seen