Fig. 1.
Histologic findings in spleen.
(A) Section of spleen from case 2 shows depletion of white pulp and prominent sinusoidal small lymphoid infiltrates (hematoxylin and eosin, × 200). (B) The lymphocytes lack significant cytologic atypia. There is marked hemophagocytosis (hematoxylin and eosin, × 600).