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Search: authors:"Tadashi Nariai"

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Contributions of biological tumor parameters to the incorporation rate of l-[methyl-11C] methionine into astrocytomas and oligodendrogliomas

We compared the tumor uptake of 11C-methionine (MET) with positron emission tomography (PET) with the results of a pathological analysis to examine the proliferative potential and microvessel density measured with immunostaining for MIB-1 and factor VIII, respectively, from 33 patients with glioma. The MET uptake in oligodendrogliomas was significantly greater than that in grade...

Intraoperative Intrinsic Optical Imaging of Neuronal Activity from Subdivisions of the Human Primary Somatosensory Cortex

We performed intrinsic optical imaging of neuronal activity induced by peripheral stimulation from the human primary somatosensory cortex during brain tumor surgery for 11 patients. After craniotomy and dura reflection, the cortical surface was illuminated with a xenon light through an operating microscope. The reflected light passed through a bandpass filter, and we acquired...

RADIOLOGY

and Dental University , Tokyo, Japan 19 RA-15. INITIAL CLINICAL TRIALS OF CARBON-11-LABELED 4DST FOR MALIGNANT BRAIN TUMORS AS A PET MOLECULAR IMAGING PROBE TO MEASURE DNA SYNTHESIS RATE Tadashi Nariai