1. Swerdlow S, Campo E, Harris NL, et al. WHO classification of tumours of haematopoietic and lymphoid tissues. 4th ed. Lyon: IARC; 2008.
2. Parikh SA, Kay NE, Shanafelt TD. How we treat Richter syndrome. Blood. 2014;123(11):1647–57.
3. Richter MN. Generalized reticular cell sarcoma of lymph nodes associated with lymphatic leukemia. Am J Pathol. 1928;4(4):285–292.7.
4. Lortholary P, Boiron M, Ripault P, et al. Chronic lymphoid leukemia secondarily associated with a malignant reticulopathy: Richter's syndrome. Nouv Rev Fr Hematol. 1964;4:621–44.
5. Choi WW, Weisenburger DD, Greiner TC, et al. A new immunostain algorithm classifies diffuse large B-cell lymphoma into molecular subtypes with high accuracy. Clin Cancer Res. 2009;15(17):5494–502.