Fig. 3
From: Predictors and clinical outcomes of post-coronary artery bypass grafting cerebrovascular strokes
A 64-years-old man with old right occipital old stroke and multiple scattered calcific emboli, presented with delayed neurological recovery after CABG. CT brain (A1, A2) showed acute hypo-densities in bilateral fronto-parietal and right occipito-temporal regions representing watershed infarctions. MRI (B1, B2) was done after 6Â days and showed external and internal watershed infarctions involving bilateral cortical and subcortical areas. MR angiography (C) demonstrates multifocal moderate-to-severe bilateral middle cerebral arteries stenosis associated with paucity of distal vessels with few collaterals' formation