Abstract：
:Seventeen patients with probable Alzheimer's disease (AD), 7 patients with frontal lobe dementia (FLD) and 19 control subjects (NOR) were examined by (99m)Tc-d,l- hexamethylpropylene amine oxime ((99m)Tc-HMPAO) SPECT. Images were standardised in the same 3D space and averaged within each group. After normalisation, the three sets of images were analysed in all cerebral lobes, hippocampus, thalamus and basal ganglia. In AD, the (99m)Tc-HMPAO uptake values were significantly reduced, as compared to NOR, in the parietal, temporal and insular lobes. In patients with FLD, the uptake was altered in all lobes with the exception of the parietal lobe. The uptake in the nucleus caudatus decreased significantly in both AD and FLD as compared to NOR. The uptake in the anterior cingulate cortex was significantly reduced in FLD. Subtraction images highlighted all significantly decreased areas. In conclusion, standardising SPECT in a common space and subtracting data from a control group improves the visual interpretation of images. In this study, the typical temporo-parietal and fronto-parietal (99m)Tc-HMPAO uptake reductions were found in AD and FLD, respectively. The uptake in the nucleus caudatus was found to decrease significantly in AD and FLD and the one in the anterior cingulate cortex was reduced in FLD.
journal_name
Dement Geriatr Cogn Disordjournal_title
Dementia and geriatric cognitive disordersauthors
Pagani M,Salmaso D,Ramström C,Jonsson C,Lundqvist R,Thurfjell L,Schnell PO,Wägner A,Jacobsson H,Larsson SAdoi
10.1159/000051255keywords:
subject
Has Abstractpub_date
2001-05-01 00:00:00pages
177-84issue
3eissn
1420-8008issn
1421-9824pii
51255journal_volume
12pub_type
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