Increased polyclonal CD5+ B1a lymphocytes in a haploidentical stem cell transplant recipient

Robert A Hillard1, Lazaros J Lekakis, Joseph F Pulliam

  • 1Department of Pathology and Laboratory Medicine, Chandler Medical Center, University of Kentucky College of Medicine, Lexington, Kentucky 40536, USA. rahill5@email.uky.edu

Summary

Following a stem cell transplant, an unusual increase in CD5+ B-cells (B1a cells) was observed. This finding highlights the importance of distinguishing these cells from lymphoproliferative disorders in transplant patients.

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