two patients with immunoblastic lymphadenopathy had lymphadenopathy , hepatosplenomegaly , rash , dysproteinemia , constitutional symptoms , and typical morphologic findings or lymph node obliteration by immunoblasts and plasma cells , proliferation of aborizing vessels , and infiltration with amorphous , eosinophilic material .
C0020981
immunoblastic lymphadenopathy
C0497156
lymphadenopathy