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Severe autoimmune hemolytic anemia after unrelated umbilical cord blood transplant for familial hemophagocytic lymphohistiocytosis: significant improvement after treatment with rituximab.

AbstractA 4-month-old girl diagnosed with familial hemophagocytic lymphohistiocytosis underwent a matched unrelated, umbilical cord blood transplant. Six weeks later she developed severe acute autoimmune hemolytic anemia and thrombocytopenia requiring multiple transfusions. This was refractory to high-dose steroid and intravenous immunoglobulin, but did respond to Rituximab (anti-CD20 monoclonal antibody) 375 mg/m2. Hemolysis recurred after steroid tapering but responded to a second course of Rituximab. This case report highlights the difficulty in managing posttransplant autoimmune hemolytic anemia.
AuthorsMohamed Radhi, Steve Rumelhart, David Tatman, Fred Goldman (Affiliation: Department of Pediatrics, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA. mohamed-radhi at uiowa.edu)
JournalJournal of pediatric hematology/oncology : official journal of the American Society of Pediatric Hematology/Oncology (J Pediatr Hematol Oncol) Vol. 29 Issue 2 Pg. 125-7 (Feb 2007) ISSN: 1077-4114 United States
PMID17279011 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Adrenal Cortex Hormones
  • Antibodies, Monoclonal
  • Immunoglobulins, Intravenous
  • Immunologic Factors
  • rituximab
Topics
  • Adrenal Cortex Hormones (therapeutic use)
  • Anemia, Hemolytic, Autoimmune (drug therapy, etiology)
  • Antibodies, Monoclonal (therapeutic use)
  • Cord Blood Stem Cell Transplantation (adverse effects)
  • Female
  • Fetal Blood (transplantation)
  • Humans
  • Immunoglobulins, Intravenous (therapeutic use)
  • Immunologic Factors (therapeutic use)
  • Infant
  • Lymphohistiocytosis, Hemophagocytic (therapy)
  • Thrombocytopenia (drug therapy, etiology)