An 18F-FDG-PET maximum standardized uptake value > 10 represents a novel valid marker for discerning Richter's Syndrome. Issue 6 (2nd June 2016) - Michallet, Anne-Sophie; Sesques, Pierre; Rabe, Kari G.; Itti, Emmanuel; Tordot, Jérémy; Tychyj-Pinel, Christelle; Baseggio, Lucile; Subtil, Fabien; Salles, Gilles; Dupuis, Jehan M.; Conte, Michael J.