Publication: Differentiation of dementia with Lewy bodies, Alzheimer's disease and vascular dementia by cardiac <sup>131</sup>I-meta-iodobenzylguanidine (MIBG) uptake (preliminary report)
Issued Date
2004-10-01
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ISSN
01252208
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2-s2.0-8444225420
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.87, No.10 (2004), 1176-1181
Suggested Citation
Panitha Jindahra, Athasit Vejjajiva, Rawiphan Witoonpanich, Rojana Sirisriro, Chanika Sritara, Teeratorn Pulkes Differentiation of dementia with Lewy bodies, Alzheimer's disease and vascular dementia by cardiac <sup>131</sup>I-meta-iodobenzylguanidine (MIBG) uptake (preliminary report). Journal of the Medical Association of Thailand. Vol.87, No.10 (2004), 1176-1181. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/21515
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Title
Differentiation of dementia with Lewy bodies, Alzheimer's disease and vascular dementia by cardiac <sup>131</sup>I-meta-iodobenzylguanidine (MIBG) uptake (preliminary report)
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Abstract
Objective: Differentiation of dementia with Lewy bodies (DLB), vascular dementia (VAD), and Alzheimer's disease (AD) is difficult in clinical practice. Several new techniques have been used for differentiation of various types of dementia. Among these techniques 123I-meta-iodobenzylguanidine (MIBG) uptake was reported to have benefit in distinguishing DLB from AD. The authors study the role of MIBG as a tool for differentiation of DLB, AD and VAD. Method: Patients with dementia were recruited to the study by DSMIIIR criteria. Diagnosis of each dementia type was made by standard clinical criteria. Brain imagings and 131I-MIBG uptake were performed in all the studied patients. Results: Five DLB, 3 AD and 3 VAD patients were clinically diagnosed. The heart/mediastinum (H/M) ratio in 4 out of 5 in DLB was significantly lower than H/M ratio in patients with AD and VAD. AD patients had the highest uptake of MIBG. MIBG uptake of VAD patients was in the range between AD and DLB but the values were close to the AD group. Conclusions: 131I-MIBG is helpful in differentiating DLB from AD.