CT, MRI, SPECT, and PET in DLB

Neuroimaging has been used to diagnose dementia with Lewy bodies (DLB) for the past two decades. Undoubtedly, structural and functional neuroimaging should be considered strong diagnostic tools; however, there is still limited evidence regarding early diagnosis. In this chapter, we summarize the accepted findings on neuroimaging modalities (computed topography [CT], magnetic resonance imaging [MRI], single-photon emission computed tomography [SPECT], and positron emission tomography [PET]) in probable DLB. We also review the findings seen during the early stages of DLB. Lastly, we briefly discuss the usefulness of these imaging modalities for the early diagnosis of DLB.