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Frontotemporal dementia
Andrew Kertesz1, David G Munoz
1Department of Clinical Neurological Sciences, St. Joseph's Hospital, University of Western Ontario, 268 Grosvenor Street, London, Ontario N6A 4V2, Canada. andrew.kertesz@sjhc.london.on.ca
Abstract:
Frontotemporal dementia is a new name for clinical Pick's disease; the eponymic term PiD has been increasingly restricted to the pathologic variant with Pick bodies. This article describes the clinical picture, pathology, and genetic mechanisms of frontal lobe dementia. Frontotemporal dementia is still under-diagnosed and underestimated, partly because the individual components of the complex are considered separately or are considered "heterogeneous," a somewhat misleading adjective used in many descriptions. This article emphasizes the considerable overlap among the different varieties of frontotemporal dementia, as well as the distinctive features of each.
Insights
Frontotemporal dementia (FTD), formerly Pick's disease, is often underdiagnosed due to its varied presentation. This review highlights the overlap and distinct features of FTD subtypes, aiding in better recognition.
Area of Science:
- Neurology
- Neuroscience
- Pathology
Background:
- Frontotemporal dementia (FTD) is the current term for clinical Pick's disease.
- The term Pick's disease (PiD) is now primarily used for the pathological variant characterized by Pick bodies.
- FTD is frequently underdiagnosed and underestimated, often due to the separate consideration of its complex components.
Purpose of the Study:
- To describe the clinical presentation, pathology, and genetic mechanisms of frontotemporal dementia.
- To emphasize the significant overlap and distinctive features among different FTD subtypes.
- To address the misleading perception of heterogeneity in FTD descriptions.
Main Methods:
- Review of clinical, pathological, and genetic literature on frontotemporal dementia.
- Analysis of diagnostic criteria and clinical manifestations.
- Comparative study of FTD subtypes, focusing on shared and unique characteristics.
Main Results:
- FTD encompasses a spectrum of clinical and pathological presentations.
- There is substantial overlap between the various forms of FTD, challenging distinct classification.
- Specific features differentiate the subtypes despite the overall heterogeneity.
Conclusions:
- A comprehensive understanding of FTD requires recognizing both its overlapping features and individual distinctions.
- Improved diagnostic awareness and a holistic approach are crucial for addressing the underdiagnosis of FTD.
- Further research into the genetic mechanisms and distinct pathological pathways is warranted.