Renal Leukocyte Infiltration in PET and MR Imaging (image) Society of Nuclear Medicine and Molecular Imaging Share Print E-Mail Caption MRI showing focal restriction of diffusion (A, red arrows). Biopsy from a kidney allograft shows inflammatory cell infiltration typical for allograft infection (granulocytes (CD15, B), and T cells (CD3, C). Corresponding upregulated CXCR4 expression (D, white arrows). Additional markers of cell infiltration (B cells (CD20, E), and macrophages (CD68, F). Scale bar indicates 200 μm. Credit T Derlin et al., Hannover Medical School, Hannover, Germany Usage Restrictions Use at least title and credit; include caption when room allows. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.