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Title | Creator | Subject | Description |
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Posterior Circulation Infarctions Secondary to a Post Traumatic Vertebral Artery Dissection | Devin D. Mackay, MD; Valérie Biousse, MD | Stroke; Posterior Circulation; Vertebral Dissection; Homonymous Hemianopia | A case of a young man with a vertebral artery dissection that caused multiple posterior circulation brain infarcts. Images from an MRI of the brain, digital subtraction angiography, and Humphrey visual fields are included. Figure 1 : Humphrey visual fields showed a right homonymous hemianopia with ... |
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Occipital Hemorrhagic Infarction Secondary to Bacterial Endocarditis-Congruent Homonymous Scotomatous Hemianopic Defect | Samuel Bidot, MD; Amit M. Saindane, MD; Valérie Biousse, MD | Homonymous Visual Field Defect; Occipital Lobe; Hemorrhage; Hematoma; Endocarditis | MRI features of occipital hemorrhage secondary to bacterial endocarditis Figure 1 : Humphrey visual fields showing a congruent homonymous scotomatous hemianopic defect Figure 2 : axial gradient echo T2*w brain MRI Figure 3 : axial T1w and T2w brain MRI Figure 4 : axial postcontrast T1w brain MRI |
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Posterior Cerebral Artery Infarction from Vertebral Artery Dissection | Kristen Hudson, MD; Valérie Biousse, MD | Cerebral Infarction; Vertebral Artery Dissection; Homonymous Hemianopia; Posterior Cerebral Artery Occlusion; MRI; DWI; ADC; MRA | Right posterior cerebral artery ischemic infarction due to post traumatic (martial arts) left vertebral artery dissection with resulting right PCA occlusion. Left homonymous hemianopia due to right occipital lobe infarction and left hemisensory loss due to right thalamic infarction. Imaging of the a... |