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Susceptibility-weighted imaging in differentiating bilateral medial thalamic venous and arterial infarcts Chatterjee, Somenath; Thomas, Bejoy; Kesavadas, Chandrasekhar & Kapilamoorthy, Tirur Raman Abstract Bilateral medial thalamic infarcts may be due to thrombosis of internal cerebral veins or occlusion of artery of Percheron. Conventional MR imaging is often not helpful in differentiating the two. We discuss two cases in whom susceptibility-weighted imaging, including phase images contributed in demonstrating the thrombosed or patent internal cerebral veins. Keywords Artery of percheron infarct, internal cerebral vein thrombosis, magnetic resonance imaging, susceptibility-weighted imaging

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