Reduced Blood Flow and Preserved Vasoreactivity Characterize Oxygen Hypometabolism Due to Incomplete Infarction in Occlusive Carotid Artery Diseases
Satoshi Kuroda, MD, PhD1,
Tohru Shiga, MD, PhD2,
Tatsuya Ishikawa, MD, PhD1,
Kiyohiro Houkin, MD, PhD1,
Takuhito Narita, MD1,
Chietsugu Katoh, MD, PhD3,
Nagara Tamaki, MD, PhD2 and
Yoshinobu Iwasaki, MD, PhD1
1 Department of Neurosurgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
2 Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
3 Department of Tracer Kinetics, Hokkaido University Graduate School of Medicine, Sapporo, Japan

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FIGURE 1. A 60-y-old man with transient ischemic attack due to left ICA occlusion. T2-weighted MR image shows no cerebral infarction (top left). 123I-IMP SPECT demonstrates mild reduction of CBF and normal reactivity to acetazolamide in left cerebral hemisphere (top right). PET shows mild reduction of CBF and CMRO2 as well as of BP for 11C-FMZ in left cerebral hemisphere (bottom).
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Copyright © 2004 by the Society of Nuclear Medicine.