Pure Red Cell Aplasia (PRCA)

Dr. Duffield is a board-certified hematopathologist, specializing in the diagnosis of cancers that arise in the bone marrow and lymphoid tissues. She completed a pathology residency and hematopathology fellowship at the Johns Hopkins Hospital and joined the faculty of Johns Hopkins in 2010. In 2020, she joined Memorial-Sloan Kettering to become a member of the Hematopathology Service.

Constandina Herbert, MN, RN, BMTCN is the Nursing Supervisor, Blood and Marrow Transplant Clinic at the Seattle Cancer Care Alliance/Fred Hutchinson Cancer Research Center. Ms. Herbert works with patients, families, and caregivers as they navigate the transplant process.

Dr. Niyongere joined the School of Medicine and Marlene and Stewart Greenebaum Comprehensive Cancer Center as an Assistant Professor in 2018. Her clinical focus is in acute leukemias, myelodysplastic syndromes, myeloproliferative neoplasms and bone marrow failure syndromes. Dr. Niyongere’s primary research interests are in finding new therapeutic targets by understanding oncogenic signaling pathways involved in AML and MDS as well as studying the role of the tumor microenvironment in the development of chemoresistance in leukemia. Dr. Niyongere also serves as an attending physician on the

James R. Cook, M.D., Ph.D., is a Professor of Pathology at the Cleveland Clinic Lerner College of Medicine. He serves as Section Head of Hematopathology in the Department of Laboratory Medicine. Dr. Cook's clinical interests focus on diagnostic hematopathology and molecular diagnostics. His research interests include diagnostic and prognostic markers in non-Hodgkin lymphoma and plasma cell disorders, and molecular diagnosis of leukemia and lymphoma. He participates in numerous multi-institutional research efforts including the Lymphoma and Leukemia Molecular Profiling Project (LLMPP) and the

David Jacobsohn, MD, ScM is the Division Chief, Blood and Marrow Transplanation at Children's National Hospital in Washington, D.C. Previously, he was at Children’s Memorial Hospital in Chicago, where he served as a member of the Stem Cell Transplant Program staff and as the Director of the Chronic Graft-versus-Host Disease Clinic. He has lectured widely on GvHD/BMT in Europe, Latin America, and the United States. Dr. Jacobsohn obtained a Bachelor of Science from Yale University, his medical degree from Tufts University, and a Masters in Clinical Investigation from Johns Hopkins School of

Ryotaro Nakamura, MD is Professor, Department of Hematology & Hematopoietic Cell Transplantation; Director, Center for Stem Cell Transplantation at City of Hope. Since joining City of Hope in 2002, Ryotaro Nakamura, M.D., has been at the forefront of leading-edge research in stem cell transplantation and development of cancer vaccines. Among his promising projects: A study indicating that bone marrow transplants may be effective in treating systemic mastocytosis, a rare blood disease with no known cure, and the use of vaccines to replace antivirals which can often spawn deadly infections. Dr