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Case 1: 54-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. Case 1: 54-year-old man with atrial fibrillation and sudden.

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Presentation on theme: "Case 1: 54-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. Case 1: 54-year-old man with atrial fibrillation and sudden."— Presentation transcript:

1 Case 1: 54-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis.
Case 1: 54-year-old man with atrial fibrillation and sudden onset of left-sided hemiparesis. A, 99mTc-HMPAO SPECT image 4.5 hours after the onset of stroke shows hypoactivity in the right frontal and temporal lobes.B, 99mTc-HMPAO SPECT image (left) obtained 12 hours after the initial study shows hyperactivity in the right temporal lobe; a 99mTc-ECD SPECT image (right) shows hypoactivity in the same area.C, and D, CT scans after the SPECT study reveal a low-density area only in the right frontal lobe (C); 10 hours later, a partially hemorrhagic infarct has developed in the right temporal lobe (D). Kuniaki Ogasawara et al. AJNR Am J Neuroradiol 1999;20: ©1999 by American Society of Neuroradiology

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