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  • Title: Transformation of Hodgkin's disease to high-grade B-cell lymphoma: remission after Rituximab monotherapy.
    Author: Kirchner EM, Ebsen M, Kirchner J, Theegarten D, Voigtmann R.
    Journal: Ann Oncol; 2001 Aug; 12(8):1169-71. PubMed ID: 11583202.
    Abstract:
    PURPOSE: We demonstrate the usefulness of immunotherapy with the CD20 antibody Rituximab in a case of transformation of Hodgkin's disease (HD) to high-grade non-Hodgkin's lymphoma (NHL). CASE REPORT: A 45-year-old women suffering from lymphocyte predominant HD of paragranuloma type (stage IVb) since 1995 showed mediastinal relapse despite of 6 cycles of chemotherapy following the COPP/ABVD-protocol in 1998. Again complete remission could be achieved after escalated BEA-COPP II therapy in May 1998. Six months later chest radiograph and CT depicted pulmonary nodules. The non-typical resection of the lung revealed pulmonary involvement of a high-grade T-cell rich large B-cell lymphoma with 100% of the tumoral cells CD20 positive. Since the symptoms occurred shortly after the BEA-COPP-escalated protocol chemotherapy resistance had to be assumed. Because of this problems and supported by the refusal of a high-dose chemotherapy with stem-cell transplantation by the patient we decided to perform a mono-immunotherapy with the monoclonal CD20 antibody Rituximab. Today, 14 months later, the patient is still in complete remission including the absence of B symptoms. CONCLUSIONS: Immunotherapy against CD20 positive cells in cases of sequential HD and NHL seems to be an effective therapy in chemotherapy resistant cases because of the suspected clonally relation of both diseases.
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