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March 02, 2017; 129 (9)

Cover image expansion

The ovary is a target tissue in graft-versus-host disease (GVHD) after allogeneic hematopoietic stem cell transplantation. The image shows apoptotic granulosa cells (green) in the ovarian follicles are neighbored by donor T cells (red), a phenomenon called satellitosis, which is a hallmark of acute GVHD pathology. See the article by Shimoji et al on page 1216.