Fig. 2

Pathological features of spleen. a: HE staining, 4 × 10 magnification. Enlarged pulp sinuses were detected under the microscope. b: HE staining, 10 × 10 magnification. The spleen sinuses were filled with the lymphomatous cells. c: HE staining, 40 × 10 magnification. The lymphomatous cells were mainly medium-sized with round nuclei and multiple small nucleoli. Mitosis was easily detectable. White pulps were reduced and shrunk