Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A typical case of polymorphic PTLD. (a) Infiltrate is a mix of plasma cells, small lymphoid cells and larger cells with nucleoli. The cells are positive for CD20 (b), CD30 (c), MUM1 (d), EBER (e), and EBV-LMP-1. Magnification: (b,d): ×100; (a,e,f): ×200.
