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Persistent complement-dependent anti-AnWj in a lymphoproliferative disorder: a case study and review Cover

Persistent complement-dependent anti-AnWj in a lymphoproliferative disorder: a case study and review

Paid access
|Mar 2020

Abstract

AnWj is a high-incidence antigen present on the red blood cells (RBCs) of greater than 99 percent of the general population. A 58-year-old man underwent autologous hematopoietic stem cell transplantation (HSCT) for stage IVa mantle cell lymphoma. This procedure was complicated by failure to engraft, necessitating ongoing support with blood components. After a 2-month period of uneventful transfusion support, the patient experienced increasingly severe reactions with fever and evidence of intravascular hemolysis, including hemoglobinuria. Testing revealed a complement-dependent anti-AnWj. Phenotyping confirmed the AnWj– phenotype. Anti-AnWj was persistent despite immunosuppression, including treatment with allogeneic HSCT. Of interest, the pathogenesis of the downregulation of the graft AnWj in this patient is unclear. Immunohematology 2011;27:83–88.

DOI: https://doi.org/10.21307/immunohematology-2019-179 | Journal eISSN: 1930-3955 | Journal ISSN: 0894-203X
Language: English
Page range: 83 - 88
Published on: Mar 11, 2020
Published by: American National Red Cross
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2020 G. Grigoriadis, J. Condon, K. Green, M.A. Anderson, M. Borosak, E. Wood, published by American National Red Cross
This work is licensed under the Creative Commons License.