Fig. 1From: Primary central nervous system post-transplant lymphoproliferative disorders: the spectrum of imaging appearances and differentialMonomorphic primary central nervous system post-transplant lymphoproliferative disorder. Photomicrograph of the specimen shows sheets of large cells which are adjacent to an area of coagulation necrosis, a common finding in biopsies of primary central nervous system post-transplant lymphoproliferative disorder. This monomorphic case could also be called diffuse large B cell lymphomaBack to article page