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Acquired C 1-inhibitor deficiency with angioedema due to pleomorphic immunocytoma in a patient with three malignant tumors: long-term follow-up data and presentation of an additional case

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 Two cases of lymphoma-associated acquired C 1-inhibitor deficiency are described. In both patients, C 1-inhibitor deficiency and related symptoms preceded the diagnosis of the underlying neoplasm by several months. C 1-inhibitor deficiency was most likely due to consumption following immunocomplex formation. In both patients, a close relationship between low levels of C 1-inhibitor and tumor relapse was observed during follow-up. These findings indicate that measurement of C 1-inhibitor and complement factor C4 can be used as markers of disease activity in affected patients.

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Received: 21 December 1995 / Accepted: 12 February 1996

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Bohle, W., Rüther, U., Bokemeyer, C. et al. Acquired C 1-inhibitor deficiency with angioedema due to pleomorphic immunocytoma in a patient with three malignant tumors: long-term follow-up data and presentation of an additional case. Ann Hematol 72, 383–386 (1996). https://doi.org/10.1007/s002770050191

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  • DOI: https://doi.org/10.1007/s002770050191

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