Hmamouchi I, Roux C, Paternotte S, Kolta S, Dougados M, Briot K. Early increase of abdominal adiposity in patients with spondyloarthritis receiving anti-tumor necrosis factor-α treatment. J Rheumatol 2014;41:1112–7. In the Materials and Methods section, paragraph 4, the device used for the study was given incorrectly. The correct device was a Delphi W (Hologic). We regret the error.