Regional Cerebral Glucose Metabolism and Regional Cerebral Blood Flow Changes in Temporal Lobe Structures in Schizophrenia : Measurements by Simultaneous F - 18 FDG and Tc 99 M HMPAO SPECT
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Viral encephalitis in children: detection with technetium-99m HMPAO brain single-photon emission CT and its value in prediction of outcome.
PURPOSE To assess the role of regional cerebral blood flow measured by technetium-99m hexamethyl propyleneamine oxime (HMPAO) brain single-photon emission CT (SPECT) in viral encephalitis of children. METHODS Eighteen children diagnosed as having viral encephalitis (12 Epstein-Barr virus, 4 herpes simplex virus, and 2 Japanese B virus) underwent Tc-99m HMPAO brain SPECT and brain MR and/or CT...
متن کاملThe diagnostic difference between 18F- FDG PET and 99mTc-HMPAO SPECT perfusion imaging in assessment of Alzheimer's disease
Introduction:Brain imaging with F-18 fluorodeoxyglucose (18F-FDG) positron emission tomography or Tc-99m hexamethylpropyleneamine oxime (99mTc-HMPAO) SPECT is widely used for the evaluation of Alzheimer's dementia (AD); we aim to assess superiority of one method over the other. Methods: Twenty four patients with clinical diagnosi...
متن کاملIs there a cortical blood flow redistribution pattern related with perseverative error in schizophrenia?
BACKGROUND We studied relative cortical blood flow (relCBF) patterns associated to correct performance (CP) and perseverative error (PE) during Wisconsin Card Sorting Test (WCST) execution, in controls and patients with schizophrenia. SUBJECTS AND METHODS relCBF (regional cortical blood flow (rCBF) / whole cortex blood flow) of 10 well defined cortical regions was measured in 18 patients with...
متن کاملA Preliminary SPECT Study of Regional Cerebral Blood Flow in Patients with Major Depression
Received 4/26/2001; revised 6/11/2001; accepted 7/12/2001. For correspondence or reprints contact: Nan-Jing Peng, M.D., Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, 386, Ta-Chung 1st Road, Kaohsiung 813, Taiwan, R.O.C. Tel: (886)7-3422121 ext. 6418, Fax:(886)73461179, E-mail: [email protected] Background: Recent functional imaging studies have demonstrated that de...
متن کاملReduced regional cerebral blood flow in Huntington's disease studied by SPECT.
Regional cerebral blood flow (rCBF) was studied in 18 patients with Huntington's disease (HD) and 19 age- and sex-matched controls with high resolution single photon emission computerised tomography (SPECT), using Tc-99m-HMPAO. Significant reductions in tracer uptake were found in the caudate and lentiform nuclei (20 and 8%) and in the cerebral cortex, especially in the frontal and parietal are...
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تاریخ انتشار 2013