Epstein-Barr virus positive post-transplant lymphoproliferative disorder with significantly decreased T-cell chimerism early after transplantation: A case report

Figure 1 Treatment process, donor T-cell chimerism, and peripheral blood Epstein-Barr virus-DNA copies. EBV: Epstein-Barr virus.

Figure 2 Lymph node biopsy showing diffuse infiltration of heterogeneous lymphoid cells with extensive necrosis and diffuse Epstein-Barr virus positivity. A: HE staining (× 40); B: HE staining (× 200); C: CD20 positivity; D: 50% positivity for Ki-67; E: CD3 negativity; F: EBER positivity.

Figure 3 18F-FDG PET scan of the patient during treatment. A: Pre-treatment; B: Newly onset of stomach and lung lesions; C: Post-treatment.

Figure 4 Gastric biopsy showing diffuse heterogeneous lymphocytic infiltration with diffuse Epstein-Barr virus infection. A: HE staining (× 40); B: HE staining (× 200); C: CD20 positivity; D: 80% positivity for Ki-67; E: CD3 negativity; F: EBER positivity.