Journal
ANNALS OF HEMATOLOGY
Volume 92, Issue 5, Pages 661-667Publisher
SPRINGER
DOI: 10.1007/s00277-012-1663-3
Keywords
CLL; Autoimmune hemolytic anemia; Immune thrombocytopenia; Cytopenia
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Utilizing the database of the Israeli CLL Study Group, we investigated the prevalence and prognostic significance of anemia and thrombocytopenia in patients with chronic lymphocytic leukemia (CLL). Of 1,477 patients, 113 had anemia and thrombocytopenia associated with infiltrative marrow failure, median survival of 41 and 86 months, respectively. Autoimmune cytopenias were diagnosed in 100 patients, autoimmune hemolytic anemia (AIHA) in 80, and immune thrombocytopenia (ITP) in 31, while 11 had both co-existent. Median survival of patients with AIHA and ITP, from CLL diagnosis, was 96 and 137 months, respectively, but 29 and 75 months from onset of cytopenia. Patients with AIHA from the time of CLL diagnosis had a significantly shorter survival than those without anemia (p < .0001). Survival was similar for patients with AIHA or anemia due to infiltrative bone marrow failure (p = .44). The presence of positive antiglobulin test even without hemolysis was associated with worse outcome. Overall survival of patients with ITP and those without cytopenias (p = 0.94) were similar. In conclusion, laboratory or clinical evidence of AIHA has a significant negative impact on the survival of patients with CLL. Outcome for cases with ITP and patients without cytopenias was similar.
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