Annals of Nuclear Medicine

, Volume 31, Issue 5, pp 390–398 | Cite as

Correlation between clinical symptoms and striatal DAT uptake in patients with DLB

  • Soichiro Shimizu
  • Disuke Hirose
  • Nayuta Namioka
  • Hidekazu Kanetaka
  • Kentaro Hirao
  • Hirokuni Hatanaka
  • Naoto Takenoshita
  • Yoshitsugu Kaneko
  • Yusuke Ogawa
  • Takahiko Umahara
  • Hirofumi Sakurai
  • Haruo Hanyu
Original Article



It is widely known that there is low striatal 123I-FP-CIT dopamine transporter-single photon emission tomography (DAT-SPECT) uptake in patients with dementia with Lewy bodies (DLB). We assessed the correlation between symptom and regional low DAT uptake in the striatum.


Patients with Alzheimer’s disease (AD) (n = 95) and patients with DLB (n = 133) who underwent DAT-SPECT were enrolled. We examined the correlation between symptoms [cognitive function decline, fluctuations, visual hallucinations, parkinsonism, and REM sleep behavior disorder (RBD)] and regional striatal DAT uptake in the patients with DLB.


When comparing the DLB patients with or without fluctuations, visual hallucinations, or RBD, there were no significant differences in DAT uptake in any regions of the striatum. DLB patients with parkinsonism had significantly lower DAT uptake in entire striatum, entire putamen, and anterior putamen compared to DLB patients without parkinsonism. Moreover, there was weak but significant correlation between severity of parkinsonism and DAT uptake in entire regions of the striatum in patients with DLB. There was no significant correlation between cognitive function and DAT uptake in any regions of the striatum in patients with DLB.


In patients with DLB, only parkinsonism is associated with a reduction in striatal DAT uptake.


Dementia with Lewy bodies Parkinsonism 123I-FP-CIT DAT scan Alzheimer’s disease 



We thank M. Takahashi, D. Hakamada, T. Aida, K. Uchida, and H. Hirose of the Department of Nuclear Medicine of Tokyo Medical University for their support and technical assistance. We are also grateful to the medical editors from the Department of International Medical Communications of Tokyo Medical University for editing and reviewing the manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflicts of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Financial Disclosures

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.


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Copyright information

© The Japanese Society of Nuclear Medicine 2017

Authors and Affiliations

  • Soichiro Shimizu
    • 1
  • Disuke Hirose
    • 1
  • Nayuta Namioka
    • 1
  • Hidekazu Kanetaka
    • 1
  • Kentaro Hirao
    • 1
  • Hirokuni Hatanaka
    • 1
  • Naoto Takenoshita
    • 1
  • Yoshitsugu Kaneko
    • 1
  • Yusuke Ogawa
    • 1
  • Takahiko Umahara
    • 1
  • Hirofumi Sakurai
    • 1
  • Haruo Hanyu
    • 1
  1. 1.Department of Geriatric MedicineTokyo Medical UniversityTokyoJapan

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