The impact of the World Health Organization classification and clonality assessment of posttransplant lymphoproliferative disorders on disease management.

Context: The World Health Organization classification of posttransplant lymphoproliferative disorders divides them into 4 main categories.

Objective: To classify cases of posttransplant lymphoproliferative disorders diagnosed in our institution according to the World Health Organization scheme and correlate the classification and clonality with clinical data.

Design: Cases of posttransplant lymphoproliferative disorders were reviewed.