Three patients with unruptured fusiform aneurysms of the posterior circulation presented with nonhemorrhagic thalamic infarctions. All of the aneurysms were seen on enhanced computed tomographic (CT) scans preangiographically. Although unruptured fusiform aneurysms are probably a rare cause of nonhemorrhagic thalamic infarction, their importance lies in the therapeutic implications of this diagnosis. In patients with nonhemorrhagic thalamic infarction, we suggest careful scrutiny of the blood vessels on enhanced CT scans.
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Graff‐Radford et al. (1985) studied this question.