Physiological imaging with PET and SPECT in Dementia
Description
Dementia is a medical problem of increasingly obvious importance. The most common cause of dementia, Alzheimer's disease (AD) accounts for at least 50% of all cases of dementia, with multi-infarct dementia the next most common cause of the syndrome. While the accuracy of diagnosis of AD may range from 80 to 90%, there is currently no laboratory test to confirm the diagnosis. Functional imaging techniques such as positron emission tomography (PET) and single photon emission computed tomography (SPECT) offer diagnostic advantages since brain function is unequivocally disturbed in all dementing illnesses. Both PET and SPECT have been utilized in the … continued below
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19 pages
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Jagust, W.J. (California Univ., San Francisco, CA (United States). Dept. of Neurology Lawrence Berkeley Lab., CA (United States)) October 1, 1989.
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- United States. Department of Energy. DOE; USDOE, Washington, DC (United States)
- United States. Department of Health and Human Services. DOHHS; Department of Health and Human Services, Washington, DC (United States)
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Lawrence Berkeley Laboratory
Place of Publication: [Berkeley,] California
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Description
Dementia is a medical problem of increasingly obvious importance. The most common cause of dementia, Alzheimer's disease (AD) accounts for at least 50% of all cases of dementia, with multi-infarct dementia the next most common cause of the syndrome. While the accuracy of diagnosis of AD may range from 80 to 90%, there is currently no laboratory test to confirm the diagnosis. Functional imaging techniques such as positron emission tomography (PET) and single photon emission computed tomography (SPECT) offer diagnostic advantages since brain function is unequivocally disturbed in all dementing illnesses. Both PET and SPECT have been utilized in the study of dementia. While both techniques rely on principles of emission tomography to produce three dimensional maps of injected radiotracers, the differences between positron and single photon emission have important consequences for the practical applications of the two procedures. This briefly reviews the technical differences between PET and SPECT, and discusses how both techniques have been used in our laboratory to elucidate the pathophysiology of dementia. 32 refs., 2 figs.
Physical Description
19 pages
Notes
OSTI; NTIS; INIS; GPO Dep.
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Keywords
- Adults
- Age Groups
- Aged Adults
- Antimetabolites
- Beta Decay Radioisotopes
- Beta-Minus Decay Radioisotopes
- Beta-Plus Decay Radioisotopes
- Blood Flow
- Body
- Brain
- Carbon 11
- Carbon Isotopes
- Central Nervous System
- Cerebrum
- Computerized Tomography
- Days Living Radioisotopes
- Diagnostic Techniques
- Diagnostic Uses
- Diseases
- Drugs
- Elderly People
- Electron Capture Radioisotopes
- Emission Computed Tomography
- Even-Odd Nuclei
- Fluorodeoxyglucose
- Hours Living Radioisotopes
- Human Populations
- Intermediate Mass Nuclei
- Internal Conversion Radioisotopes
- Iodine 123
- Iodine Isotopes
- Isomeric Transition Isotopes
- Isotope Applications
- Isotopes
- Labelled Compounds
- Light Nuclei
- Minority Groups
- Minutes Living Radioisotopes
- Nervous System
- Nervous System Diseases
- Nuclei
- Odd-Even Nuclei
- Organs
- Oxygen 15
- Oxygen Isotopes
- Pathology
- Populations
- Positron Computed Tomography
- Radioisotopes
- Radiopharmaceuticals
- Single Photon Emission Computed Tomography
- Technetium 99
- Technetium Isotopes
- Tomography
- Tracer Techniques
- Uses
- Xenon 133
- Xenon Isotopes
- Years Living Radioi 550601* -- Medicine-- Unsealed Radionuclides In Diagnostics
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Source
- Neuroimaging symposium of the world congress of neurology, New Delhi (India), 21-27 Oct 1989
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- Other: DE91017098
- Report No.: LBL-27935
- Report No.: CONF-8910542--1
- Grant Number: AC03-76SF00098
- Office of Scientific & Technical Information Report Number: 5450667
- Archival Resource Key: ark:/67531/metadc1071389
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- October 1, 1989
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- Feb. 4, 2018, 10:51 a.m.
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- Jan. 14, 2020, 4:29 p.m.
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Jagust, W.J. (California Univ., San Francisco, CA (United States). Dept. of Neurology Lawrence Berkeley Lab., CA (United States)). Physiological imaging with PET and SPECT in Dementia, article, October 1, 1989; [Berkeley,] California. (https://digital.library.unt.edu/ark:/67531/metadc1071389/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.