Clinical course and features of persistent polyclonal B-cell lymphocytosis with BCL-6 amplification during pregnancy
Galitzia, AFirst
;Caocci, G;Barabino, L;Greco, MPenultimate
;La Nasa, GLast
2023-01-01
Abstract
Background: Persistent polyclonal B-cell lymphocytosis is a rare nonmalignant disorder characterized by mild persistent lymphocyte proliferation with possible evolution to aggressive lymphoma. Its biology is not well known, but it is characterized by a specific immunophenotype with rearrangement of the BCL-2/IGH gene, whereas amplification of the BCL-6 gene has rarely been reported. Given the paucity of reports, it has been hypothesized that this disorder is associated with poor pregnancy outcomes. Case report: To our knowledge, only two successful pregnancies have been described in women with this condition. We report the third successful pregnancy in a patient with PPBL and the first with amplification of the BCL-6 gene. Conclusions: PPBL is still a poorly understood clinical condition with insufficient data to demonstrate an adverse effect on pregnancy. The role of BCL-6 dysregulation in the pathogenesis of PPBL and its prognostic significance are still unknown. Evolution into aggressive clonal lymphoproliferative disorders is possible and prolonged hematologic follow-up is warranted in patients with this rare clinical disorder.File | Size | Format | |
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Clinical course and features of persistent polyclonal B-cell lymphocytosis with BCL-6 amplification during pregnancy.pdf open access
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