PMID: 2507801Jun 1, 1989Paper

Red cell hypoplasia following autoimmune hemolytic anemia associated with T-CLL: report of a case and review of the literature

[Rinshō ketsueki] The Japanese journal of clinical hematology
C SakaiK Maruyama

Abstract

A 78-year-old woman, who had axillary lymphadenopathy but no hepatosplenomegaly, was admitted because of lymphocytosis. The leukocyte count was 18.1 x 10(9)/l with 72% abnormal cells. Neither anemia nor thrombocytopenia was present. Many abnormal cells and erythroblasts were seen in the bone marrow. These abnormal cells had irregular nuclei but no granules in the cytoplasm. The surface markers of these cells were positive for E-rosette, CD 2, CD 3, and Leu 7 but negative for CD 4, CD 8, CD 11 (OKM 1), CD 16 (Leu 11), and HLA-DR. The DNA analysis revealed the rearrangement of T-cell receptor beta-chain genes. Direct Coombs test was positive and red-cell life-span (51Cr) was T 1/2 = 19.5 days. The patient was diagnosed as having T-CLL with mild autoimmune hemolysis and was followed without treatment. Seven months later, the leukemia cells of peripheral blood increased to 62.6 X 10(9)/l and the frank autoimmune hemolytic anemia developed. After prednisolone, vincristine and cyclophosphamide were administered, leukemia cells of blood decreased. Anemia with reticulocytopenia, however, persisted and direct Coombs test became negative. In the bone marrow at that time, many neutrophils and megakaryocytes besides leukemia cells were pre...Continue Reading

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