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  • Title: Incipient Coombs' test negative autoimmune hemolytic anemia precedes non-Hodgkin's lymphoma.
    Author: Wan SG, Lin Y, Xia CQ, Zhao H, Xu J.
    Journal: Zhongguo Shi Yan Xue Ye Xue Za Zhi; 2012 Feb; 20(1):97-9. PubMed ID: 22391174.
    Abstract:
    The cases of lymphoma accompanied or preceded by Coombs' test positive autoimmune hemolytic anemia (AIHA) have been reported. However, Coombs' test negative AIHA prior to the diagnosis of lymphoma was rarely described. Herein, this article reports a case of non-Hodgkin's lymphoma (NHL) preceded about 1.5 years by Coombs test negative AIHA. A woman aged 69 was diagnosed with HA based on the history and laboratory tests. Further studies revealed that this patient was negative with Coombs' test for IgG, IgM, IgA and C3. After all possible causes of HA, especially malignancies were ruled out, the patient was diagnosed with Coombs' test negative AIHA and treated with prednisolone. The patient responded well initially to steroid treatment. Two recurrences of acute HA were presented at time of 10 months post steroid cessation, and immediately after an attempt to withdraw steroid, respectively, but the hemolysis was effectively controlled by reinstitution of prednisolone. At third recurrence, however, the patient was no longer responding to steroid, and was found with cervical lymphadenopathy. Coombs' test for IgG, IgM, IgA and C3 remained negative. B cell NHL was diagnosed by pathology. After receiving 6 cycles of CHOP chemotherapy, the patient was lymphoma free, but the hemolysis was not improved, however, which was effectively controlled by the following low dose-rituximab (RTX) therapy. The patient was still kept in a remission of lymphoma free of anemia. In conclusion, this report presented a very rare case of NHL with Coombs' test negative AIHA as initial major clinical manifestation.
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