Retraction. "Immunohistochemical prognostic markers in diffuse large B-cell lymphoma: validation of tissue microarray as a prerequisite for broad clinical applications (a study from the Lunenburg Lymphoma Biomarker Consortium)" (J Clin Pathol 2009;62:128–38;doi:10.1136/jcp.2008.057257).

The Journal of Clinical Pathology wishes to inform its readers of the authors' retraction of the following article for redundancy. The original article by D de Jong, W Xie, Rosenwald, M Chhanabhai, P Gaulard,W Klapper, A Lee, B Sander, C Thorns,E Campo, T Molina, A Hagenbeek,S Horning, A Lister, J Raemaekers, G Salles, R D Gascoyne and E Weller entitled "Immunohistochemical prognostic markersi n diffuse large B-cell lymphoma: validation of tissue microarray as a prerequisite for broad clinical applications (a study from the Lunenburg Lymphoma Biomarker Consortium)" (J Clin Pathol 2009;62:128–38;doi:10.1136/jcp.2008.057257) published online on 15 September 2008, contained substantial overlap in text, data, and conclusions compared with a previous article with the same title published in Journal of Clinical Oncology on 1 March 2007 by Daphne de Jong, Andreas Rosenwald, Mukesh Chhanabhai, Philippe Gaulard,Wolfram Klapper, Abigail Lee, Birgitta Sander, Christoph Thorns, Elias Campo, Thierry Molina, Andrew Norton, Anton Hagenbeek, Sandra Horning, Andrew Lister, John Raemaekers, Randy D Gascoyne, Gilles Salles and Edie Weller (doi:10.1200/JCO.2006.09.4490). In addition, the authors did not cite the Journal of Clinical Oncology article in the paper published in Journal of Clinical Pathology.