Etiology

 measles
 reactive lymphoid proliferations
 neoplastic lymphoid proliferations
 lymphocytic predominance type of Hodgkin's disease
 non-Hodgkin's lymphomas

• lymphocytic
• lymphoplasmacytic-plasmacytoid
• centroblastic-centrocytic
• angioimmunoblastic lymphadenopathy

References

 Delsol G, Pradere M, Voigt JJ, Nespoulous M, Gorguet B, Marty C, Fabre J. Warthin-Finkeldey-like cells in benign and malignant lymphoid proliferations. Histopathology. 1982 Jul;6(4):451-65. PMID: #7118083#