Yoshiyuki Okochi

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PURPOSE The aim of our study was to examine the usefulness of PET with C-methionine (MET) and F-fluorodeoxyglucose (FDG) in the differentiation of glioblastoma multiforme (GBM) and intracranial diffuse large B-cell lymphoma (DLBCL). MATERIALS AND METHODS We evaluated 22 patients retrospectively with an enhancing brain tumor on MRI, including 15 GBM and 7(More)
OBJECTIVE The purpose of the study was to compare observer performance in the detection of cerebral infarction on a brain CT using medical-grade liquid crystal display (LCD) monitors calibrated with the gray-scale standard display function and with γ 2.2 and using an iPad with a simulated screen setting. MATERIALS AND METHODS We amassed 97 sample sets,(More)
OBJECTIVE The purpose of this study was to examine the (11)C-methionine (MET) and (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET) findings of central nervous system (CNS) germinoma and the diagnostic utility of these findings. METHODS We retrospectively evaluated the cases of 10 patients who were diagnosed with CNS germinoma according to(More)
PURPOSE To compare left adrenal venous sampling (AVS) in two locations: the central adrenal vein and the common trunk. MATERIALS AND METHODS A total of 22 patients (12 men and 10 women; mean age, 50 y; range, 26-65 y) who were suspected of having primary aldosteronism (PA) and underwent successful AVS with cortisol concentration measurement and/or(More)
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