BRAFV600E mutations are found in Richter syndrome and may allow targeted therapy in a subset of patients. (10th March 2015) - Sellar, Rob S.; Fend, Falko; Akarca, Ayse U.; Agostinelli, Claudio; Shende, Vishvesh; Quintanilla‐Martínez, Leticia; Stein, Harald; Pileri, Stefano A.; Linch, David; Marafioti, Teresa