Coexisting Amyloid Positivity and Probable Dementia With Lewy Bodies in a Patient With Rapid Eye Movement Sleep Behavior Disorder

Jae Hyeok Choi; Seungju Kim; Jaeyeong Bae; Jiwon Lim; Youngsoon Yang; Ik Dong Yoo; Kwang Ik Yang

doi:10.12659/AJCR.952151

24 June 2026 : Case report South Korea

Coexisting Amyloid Positivity and Probable Dementia With Lewy Bodies in a Patient With Rapid Eye Movement Sleep Behavior Disorder

Challenging differential diagnosis, Unusual or unexpected effect of treatment, Rare coexistence of disease or pathology

Jae Hyeok Choi^{ABCDEF 1}, Seungju Kim^{B 1}, Jaeyeong Bae

^{B 1}, Jiwon Lim

^{D 1,2}, Youngsoon Yang^{BD 1}, Ik Dong Yoo

^{CD 3}, Kwang Ik Yang^{ADEG 1,2*}

DOI: 10.12659/AJCR.952151

Am J Case Rep 2026; 27:e952151

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Figure 1 Brain MRI. (A) Diffusion weighted imaging. (B) T2-weighted fluid-attenuated inversion recovery (FLAIR) image showing previous intracerebral hemorrhage. (C, D) Axial susceptibility-weighted imaging shows cerebral microbleeds in a cortical distribution (yellow arrows). (Repetition Time=31 ms, Echo Time=7.1 ms).

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Coexisting Amyloid Positivity and Probable Dementia With Lewy Bodies in a Patient With Rapid Eye Movement Sleep Behavior Disorder

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