Upon request of the authors, this article is retracted because of substantial overlap with language published in “FDG PET/CT for the detection of bone marrow involvement in diffuse large B-celllymphoma: systematic review and meta-analysis (Hugo J. A. Adams, Thomas C. Kwee, Bart de Keizer,Rob Fijnheer, John M. H. de Klerk, Rutger A. J. Nievelstein.; Eur J Nucl Med Mol Imaging (2014)41:565–574”.