title: Normal Variants and Effects of Aging on the Gastrointestinal Tract.
abstract: The elderly constitute a significant proportion of patient population in most developed countries, and their numbers are expected to increase in the coming years. The number of clinical applications for PET and PET/CT continue to increase. Like other imaging techniques, there are a large number of variants and artifacts in PET and PET/CT, which can result in false-positive results. Understanding normal age-related changes that can lead to imaging variants and artifacts in structure and function of the human body is very important. This article reviews normal age-related variants and artifacts in the imaging appearance of the gastrointestinal tract.
authors.affiliation: Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi 110029, India. Electronic address: rkphulia@yahoo.com.
authors.forename: Rakesh
authors.initials: R
authors.lastname: Kumar
authors.affiliation: Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi 110029, India.
authors.forename: Jaseena
authors.initials: J
authors.lastname: Elikkottil
authors.affiliation: Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi 110029, India.
authors.forename: Suhas
authors.initials: S
authors.lastname: Singla
authors.affiliation: Division of Nuclear Medicine, Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
authors.forename: Abass
authors.initials: A
authors.lastname: Alavi
keywords: Effects of aging; Fluoro-2-deoxy-glucose (FDG); Gastrointestinal imaging; Normal variants; PET; PET/CT