Etiology

 plasmacytic posttransplant lymphoproliferative disorder (plasmacytic PTLD) (#14529928#)
 plasma cell variant of Castleman's disease (#8302822#)
 idiopathic plasmacytic lymphadenopathy with hyperimmunoglobulinemia (#8069020#)
 nodal spirochetoses

• nodal syphilis

References

 Ziarkiewicz-Wroblewska B, Gornicka B, Oldakowska U, Suleiman W, Pratnicki A, Szymanska-Giemza O, Ziolkowski J, Senatorski G, Pacholczyk M, Lagiewska B, Rowinski W, Paczek L, Wasiutynski A. Plasmacytic hyperplasia--the early form of posttransplant lymphoproliferative disorder--with atypical morphology and clinical course in patient after liver transplantation: a case report. Transplant Proc. 2003 Sep;35(6):2320-2. PMID: #14529928#