Kengo Takeuchi, Seiji Sakata, Reimi Asaka, Naoko Tsuyama, Akito Dobashi, Masaaki Noguchi. A low-grade B-cell lymphoma with prolymphocytic/paraimmunoblastic proliferation and IRF4 rearrangement. Haematologica 2013;98(3):e32-e35; https://doi.org/10.3324/haematol.2012.076851.