Figure 5
Splenic red pulp lymphomas. (a) Splenic diffuse red pulp small B-cell lymphoma (SDRPSBL) showing diffuse infiltration of red pulp with no residual white pulp; H&E. (b) SDRPSBL: the cells have plasmacytoid features and infiltrate the cords and sinusoids; H&E. (c) SDRPSBL in the bone marrow showing interstitial and intrasinusoidal pattern of infiltration; CD20. (d) Hairy cell leukaemia-variant (HCL-v) in the spleen showing infiltration of red pulp by intermediate sized cells; H&E. (e) The cells have prominent central nucleoli; H&E. (f) HCL-v in the bone marrow showing pronounced intrasinusoidal pattern of infiltration; CD20.
