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1.
Chinese Journal of Geriatrics ; (12): 147-150, 2019.
Article in Chinese | WPRIM | ID: wpr-734534

ABSTRACT

Objective To investigate the frequency and location of cerebral microbleeds(CMB) in dementia with Lewy bodies(DLB)versus in Alzheimer's disease(AD).Methods This retrospective study included three groups of probable AD patients (n =156),dementia with Lewy bodies (n =67) and normal controls(n=172).Frequencies and location of CMBs in the three groups were calculated and recorded.The foci of MRI signal for CMB were confirmed by two radiologists at moments of unknowingness about diagnosis.The correlations of cerebral small vessel disease and cerebral amyloid angiopathy with the development of cognitive decline in AD were analyzed.Results The incidence rate of CMBs was higher in patients with groups of DLB(22.4 %,15/67) and AD(19.8 %,31/156) than in normal controls (8.2 %,14/172) (P =0.002 and 0.002),while there was no significant difference in incidence rate of CMBs between DLB and AD groups(P>0.05).The MRI signal intensity of CMBs was the highest in the occipital lobe of the DLB group,and was higher in the deep temporal lobe or temporal lobe in the AD group.Conclusions The frequency of CMB is higher in patients with DLB or AD than in normal controls and there is no significant difference in frequency of CMB between DLB and AD groups,which suggests that the pathophysiological mechanisms of CMB may be similar between AD and DLB.

2.
Chinese Journal of Geriatrics ; (12): 1312-1316, 2019.
Article in Chinese | WPRIM | ID: wpr-801270

ABSTRACT

Neurofibrillary tangle-predominant dementia(NFTPD)is one type of late-onset dementia, with memory disorders as the main clinical manifestation.The pathological feature is the presence of a large number of neurofibrillary tangle(NFT)in the hippocampus with no or little amyloid deposition in the brain.In recent years, primary age-related tauopathy(PART)has been proposed as a new pathological term, which means that NFT appears in the medial temporal lobe with aging, but no amyloid deposits, and NFTPD is one type of dementia associated with the progression of PART.

3.
Chinese Journal of Geriatrics ; (12): 1312-1316, 2019.
Article in Chinese | WPRIM | ID: wpr-824561

ABSTRACT

Neurofibrillary tangle-predominant dementia (NFTPD)is one type of late-onset dementia,with memory disorders as the main clinical manifestation.The pathological feature is the presence of a large number of neurofibrillary tangle(NFT)in the hippocampus with no or little amyloid deposition in the brain.In recent years,primary age-related tauopathy(PART)has been proposed as a new pathological term,which means that NFT appears in the medial temporal lobe with aging,but no amyloid deposits,and NFTPD is one type of dementia associated with the progression of PART.

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