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dc.contributor.authorTan, Rachel H-
dc.contributor.authorKril, Jillian J-
dc.contributor.authorYang, Yue-
dc.contributor.authorTom, Nicole-
dc.contributor.authorHodges, John R-
dc.contributor.authorVillemagne, Victor L-
dc.contributor.authorRowe, Christopher C-
dc.contributor.authorLeyton, Cristian E-
dc.contributor.authorKwok, John BJ-
dc.contributor.authorIttner, Lars M-
dc.contributor.authorHalliday, Glenda M-
dc.identifier.citationAlzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring 2017; 9: 10-20en_US
dc.description.abstractINTRODUCTION: The diagnostic utility of in vivo amyloid β (Aβ) imaging to aid in the clinical distinction between frontotemporal dementia (FTD) and Alzheimer's disease remains unclear without data on the prevalence and severity of Aβ in pathologically confirmed FTD syndromes. METHODS: Aβ was assessed in 98 autopsy-confirmed FTD and 36 control cases, and the pathological accuracy of 11C-Pittsburgh compound B (PiB)-positron emission tomography imaging was assessed in a subset of FTD cases (n = 15). RESULTS: Aβ was identified in a similar proportion of FTD syndromes and age-matched controls and increases with age. Alzheimer's disease pathology was identified in all cases with high PiB retention and in one case with low PiB retention. We further demonstrate a strong regional correlation between volume fraction of histological Aβ with PiB standard uptake value ratio scaled to the white matter. DISCUSSION: The present study provides a pathologic reference to assist in the interpretation of in vivo assessments in FTD syndromes.en_US
dc.subjectFrontotemporal dementia syndromesen_US
dc.subjectAlzheimer's diseaseen_US
dc.subjectAmyloid βen_US
dc.subjectC-Pittsburgh compound Ben_US
dc.titleAssessment of amyloid β in pathologically confirmed frontotemporal dementia syndromesen_US
dc.typeJournal Articleen_US
dc.identifier.journaltitleAlzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoringen_US
dc.description.affiliatesBrain and Mind Centre, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australiaen_US
dc.description.affiliatesSchool of Medical Sciences, University of New South Wales, Sydney, New South Wales, Australiaen_US
dc.description.affiliatesNeuroscience Research Australia, Sydney, New South Wales, Australiaen_US
dc.description.affiliatesDiscipline of Pathology, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australiaen_US
dc.description.affiliatesDepartment of Molecular Imaging and Therapy, Centre for PET, Austin Health, Heidelberg, Victoria, Australiaen_US
dc.description.affiliatesFaculty of Health Sciences, Discipline Speech Pathology, The University of Sydney, Sydney, New South Wales, Australiaen_US
Appears in Collections:Journal articles

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