Abstract
To determine the prevalence of circulating t(14;18)-positive cells in patients with long-term remission after radiation therapy for stage I and II follicular lymphoma. Peripheral-blood mononuclear cells from 21 patients in continuous remission were examined by a two-step polymerase chain reaction (PCR) assay for the detection of cells carrying a t(14;18) translocation with a breakpoint within the major breakpoint region (MBR) or minor cluster region (mcr). Follow-up duration was between 25 and 160 months, with a median of 6.5 years. Thirteen patients (62%) showed negative results on repetitive testing. Cells that were t(14;18)-positive were found in eight patients (38%), all carrying a breakpoint in the MBR. One patient relapsed in each group. Circulating t(14;18)-positive cells can persist in a high percentage of follicular lymphoma patients in long-term complete remission (CR) after radiation treatment for stage I and II disease. The significance of minimal residual t(14;18)-positive cells with regard to the risk of relapse needs to be investigated in further prospective long-term studies.
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Schedule a callMore From: Journal of clinical oncology : official journal of the American Society of Clinical Oncology
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