Summary
A hemorrhagic infarction which caused left hemiparesis and homonymous hemianopia was demonstrated as a hypodense lesion on the first CT; 2 weeks later it was hyperdense and enhanced after injecting meglumine. Positron emission tomography with [11C]methyl-D-glucose also revealed the ischemic lesion, but also marked decrease of glucose uptake in the visual cortex, which indicated decreased functional activity.
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Heiss, W.D., Vyska, K., Kloster, G. et al. Demonstration of decreased functional activity of visual cortex by [11C]methylglucose and positron emission tomography. Neuroradiology 23, 45–47 (1982). https://doi.org/10.1007/BF00399705
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DOI: https://doi.org/10.1007/BF00399705