Volume 7, Issue 4, December 2019, Page: 100-107
In Differential Diagnosis of Dementia Application of Easy Z-score Imaging System in Single Photon Emission Computed Tomography Brain Perfusion Scan
Nasreen Sultana, National Institute of Nuclear Medicine and Allied Sciences (NINMAS), BSMMU Campus Dhaka, Bangladesh
Hiroshi Matsuda, Integrative Brain Imaging Center, National Center of Neurology and Psychiatry, Tokyo, Japan
Azmal Kabir Sarker, Institute of Nuclear Medicine and Allied Sciences, Mitford, SSMC Campus, Dhaka, Bangladesh
Jasmine Ara Haque, National Institute of Nuclear Medicine and Allied Sciences (NINMAS), BSMMU Campus Dhaka, Bangladesh
Rafiqul Islam, Neurology, BSM Medical University, Dhaka, Bangladesh
Received: Oct. 20, 2019;       Accepted: Nov. 6, 2019;       Published: Nov. 12, 2019
DOI: 10.11648/j.ajpn.20190704.14      View  28      Downloads  9
Abstract
Application of easy Z score imaging system (eZIS) on brain perfusion SPECT images for quantitative evaluation of rCBF has attempted to explore the differential diagnosis of dementia with various degenerative diseases and to evaluate discrimination of early Alzheimer’s disease (AD) from other types of dementia. This retrospective study was done with various degenerative diseases that underwent brain perfusion SPECT using 99mTc ethyl cysteinate dimer were included. Brain perfusion SPECT was performed in 58 patients (M/F = 48/10) with mean age of 61.2±10.4 years (41-90). Decreased rCBF was observed in the area suspected early AD in 20 cases (34%) and in the frontal gyrus and insula in 10 cases (17%). And decreased rCBF was observed in occipital lobe and, precuneus, gyrus and posterior cingulate cortex in 8 cases (14%). Discrete areas of decreased rCBF were seen in 14 cases (24%) and the rest of 6 cases (11%) showed normal rCBF. Clinically suspected AD patients were divided into two groups on basis of MMSE score (group A, mild stage of AD, MMSE =20-26 and group B, moderate to severe stage of AD, MMSE=10-19). Mean MMSE and mean Z scores were 22.9±1.11 and 1.01±0.35 in group A (n = 12) while 17.56±0.96 and 2.62±0.59 in group B (n= 8). There was negative correlation between MMSE and eZIS score; r = - 0.69 in group A (p = 0.002); r = - 0.58 in group B (p = 0.019) and r = - 0.93 overall (p = 0.000). Quantification of rCBF with eZIS score was well associated with clinical MMSE scoring in this study group with clinical likelihood of having AD. In rest of the cases, SPECT findings and surface view analysis by eZIS, the affected area of decreased rCBF were consistent with clinically suspected different types of degenerative disease manifesting dementia.
Keywords
eZIS, Alzheimer's Disease, Brain Perfusion, SPECT
To cite this article
Nasreen Sultana, Hiroshi Matsuda, Azmal Kabir Sarker, Jasmine Ara Haque, Rafiqul Islam, In Differential Diagnosis of Dementia Application of Easy Z-score Imaging System in Single Photon Emission Computed Tomography Brain Perfusion Scan, American Journal of Psychiatry and Neuroscience. Vol. 7, No. 4, 2019, pp. 100-107. doi: 10.11648/j.ajpn.20190704.14
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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