Mayo Clinic proceedings · 2007
Treatment of benign orbital pseudolymphomas with the monoclonal anti-CD20 antibody rituximab.
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Witzig Thomas E, Inwards David J, Habermann Thomas M, Dogan Ahmet, Kurtin Paul J, Gross John B, Ananthamurthy Anuradha, Ristow Kay M, Garity James A
Аннотация
OBJECTIVE: To report the results of treating patients with orbital pseudolymphomas with the anti-CD20 monoclonal antibody rituximab.
PATIENTS AND METHODS: Patients were included in the study if they had an orbital mass and biopsy-proven orbital pseudolymphomas between January 1, 1998, and December 31, 2005. The study focused on patients treated with rituximab.
RESULTS: Ninety-eight patients were evaluated, and the biopsy results revealed malignant non-Hodgkin lymphoma in 72 (73%); the other 26 (27%) had a pseudolymphoma. Eleven (42%) of the 26 patients with a pseudolymphoma were treated with rituximab, 375 mg/m2, intravenously each week for 4 doses, and 10 (91%) of the 11 responded. Seven patients were either treated with maintenance rituximab or successfully retreated with rituximab after relapse. None of the 10 responders has become refractory to rituximab.
CONCLUSION: Benign lymphoproliferative tumors are responsive to monoclonal antibody therapy targeted to B lymphocytes. Rituximab should be considered a treatment option for orbital pseudolymphomas.
PATIENTS AND METHODS: Patients were included in the study if they had an orbital mass and biopsy-proven orbital pseudolymphomas between January 1, 1998, and December 31, 2005. The study focused on patients treated with rituximab.
RESULTS: Ninety-eight patients were evaluated, and the biopsy results revealed malignant non-Hodgkin lymphoma in 72 (73%); the other 26 (27%) had a pseudolymphoma. Eleven (42%) of the 26 patients with a pseudolymphoma were treated with rituximab, 375 mg/m2, intravenously each week for 4 doses, and 10 (91%) of the 11 responded. Seven patients were either treated with maintenance rituximab or successfully retreated with rituximab after relapse. None of the 10 responders has become refractory to rituximab.
CONCLUSION: Benign lymphoproliferative tumors are responsive to monoclonal antibody therapy targeted to B lymphocytes. Rituximab should be considered a treatment option for orbital pseudolymphomas.