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• Suresh K. Mukherji, MD, Consulting Editor

The one thing none of us can escape is “Father Time”! As a result, the fastest growing segment of neuroimaging is dementia. The current prevalence of dementia is anticipated to double every 20 years as people live longer. All radiologists will be aware of a steady rise in the number of requests for brain imaging in the elderly (which is defined as 10 years older than me!). Neuroimaging in dementia is recommended by most clinical guidelines and its role has traditionally been to exclude a mass lesion, rather than to support a specific diagnosis.

Dr Allison Murray has done a wonderful job in creating a very special edition on dementia imaging. In this edition, she has brought together a very experienced group of authors to cover a broad range of topics in dementia imaging that include Alzheimer’s disease (AD), frontotemporal dementia, and Lewy body dementia. She also includes specific articles on AD that include epidemiology, molecular basis, diagnostic criteria, and molecular imaging in AD. This issue is truly a state-of-the-art contribution that will help us in our clinical practice and advance the field of dementia imaging. I am very grateful to Dr Murray and all of her contributors for the tremendous efforts they have invested in creating such an outstanding edition.