Alzheimers Dement (Amst). 2016 Apr 08;4:6-13. doi: 10.1016/j.dadm.2016.03.006. eCollection 2016.
Expanding the phenotypic associations of globular glial tau subtypes.
Alzheimer's & dementia (Amsterdam, Netherlands)
James R Burrell, Shelley Forrest, Thomas H Bak, John R Hodges, Glenda M Halliday, Jillian J Kril
Affiliations
Affiliations
- Neuroscience Research Australia, Sydney, Australia; University of New South Wales, Sydney, Australia.
- Discipline of Pathology, Sydney Medical School, The University of Sydney, Sydney, Australia.
- Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, United Kingdom.
PMID: 27489873
PMCID: PMC4949736 DOI: 10.1016/j.dadm.2016.03.006
Abstract
INTRODUCTION: Clinicopathologic correlation in non-Alzheimer's tauopathies is variable, despite refinement of pathologic diagnostic criteria. In the present study, the clinical and neuroimaging characteristics of globular glial tauopathy (GGT) were examined to determine whether subtyping according to consensus guidelines improves clinicopathologic correlation.
METHODS: Confirmed GGT cases (n = 11) were identified from 181 frontotemporal tauopathy cases. Clinical and neuroimaging details were collected, and cases sub-typed according to the consensus criteria for GGT diagnosis. Relationships between clinical syndrome and GGT subtype were investigated.
RESULTS: In total, 11 patients (seven males, four females, mean age = 67.3 +/- 10.6 years) with GGT were included. Most, but not all, presented with behavioral variant frontotemporal dementia, but none had amyotrophic lateral sclerosis. Subtyping of GGT proved to be difficult and did not improve clinicopathologic correlation.
DISCUSSION: Sub-classification of GGT pathology may be difficult and did not improve clinicopathologic correlation. Better biomarkers of tau pathology are needed.
Keywords: Clinicopathological correlation; Frontotemporal dementia; Globular glial tau; Tauopathy
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