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  • Title: Single photon emission computed tomography using 99mTc-HM-PAO in the routine evaluation of Alzheimer's disease.
    Author: Hurwitz TA, Ammann W, Chu D, Clark C, Holden J, Brownstone R.
    Journal: Can J Neurol Sci; 1991 Feb; 18(1):59-62. PubMed ID: 2036616.
    Abstract:
    Regional cerebral blood flow was studied in 7 patients with clinically suspected Alzheimer's disease and 10 normal controls by single photon computed emission tomography (SPECT) using HM-PAO. All patients with Alzheimer's disease and no controls had parietal lobe hypoperfusion which was usually bilateral. In patients with more severe dementia hypoperfusion extended into the frontal lobes. Parietal lobe hypoperfusion corresponds to parietal lobe degeneration which is the one of the first neocortical regions to show the typical degenerative changes of Alzheimer's disease. SPECT with HM-PAO is a non-invasive investigation available in most nuclear medicine departments and complements existing tests in the routine evaluation of patients presenting with dementia.
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