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Abstract

Objective: To improve clinical recognition and provide research diagnostic criteria for three clinical syndromes associated with frontotemporal lobar degeneration.
Methods: Consensus criteria for the three prototypic syndromes-frontotemporal dementia, progressive nonfluent aphasia, and semantic dementia-were developed by members of an international workshop on frontotemporal lobar degeneration. These criteria build on earlier published clinical diagnostic guidelines for frontotemporal dementia produced by some of the workshop members.
Results: The consensus criteria specify core and supportive features for each of the three prototypic clinical syndromes and provide broad inclusion and exclusion criteria for the generic entity of frontotemporal lobar degeneration. The criteria are presented in lists, and operational definitions for features are provided in the text.
Conclusions: The criteria ought to provide the foundation for research work into the neuropsychology, neuropathology, genetics, molecular biology, and epidemiology of these important clinical disorders that account for a substantial proportion of cases of primary degenerative dementia occurring before the age of 65 years.

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Information & Authors

Information

Published In

Neurology®
Volume 51Number 6December 1998
Pages: 1546-1554
PubMed: 9855500

Publication History

Published online: December 1, 1998
Published in print: December 1998

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Authors

Affiliations & Disclosures

D. Neary, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
J. S. Snowden, PhD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
L. Gustafson, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
U. Passant, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
D. Stuss, PhD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
S. Black, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
M. Freedman, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
A. Kertesz, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
P. H. Robert, MD, PhD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
M. Albert, PhD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
K. Boone, PhD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
B. L. Miller, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
J. Cummings, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.
D. F. Benson, MD
From the Manchester Royal Infirmary (Drs. Neary and Snowden), Manchester, UK; the Lund University Hospital (Drs. Gustafson and Passant), Sweden; the Rotman Research Institute (Drs. Stuss, Black, and Freedman) Baycrest Centre for Geriatric Care, Toronto and University of Toronto, Canada; the University of Western Ontario (Dr. Kertesz) London, Canada; the Nice University School of Medicine (Dr. Robert), France; the Massachusetts General Hospital (Dr. Albert), Boston, MA; and the University of California at Los Angeles, School of Medicine (Drs. Boone, Miller, Cummings, and Benson), CA.

Notes

Address correspondence and reprint requests to Dr. D. Neary, Department of Neurology, Manchester Royal Infirmary, Manchester M13 9WL, UK.

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