Thrombosed Large Distal Posterior Inferior Cerebellar Artery Aneurysm Mimicking an Infratentorial Ependymoma

<table>Photomicrograph, hematoxylin and eosin stain, displaying a fibrocollagenous aneurysm wall with hemosiderin deposition (arrowhead) and intraluminal fibrin clot with early organization (arrow).</table>

Case Reports in Neurological Medicine

fig3

Figure 3

Figure 3: Thrombosed Large Distal Posterior Inferior Cerebellar Artery Aneurysm Mimicking an Infratentorial Ependymoma 