B-cell lymphomas with atypical presentation or immunophenotype pose diagnostic challenges. Conventional ancillary tests (cytogenetics, FISH) can help, but have technical limitations. New technologies such as mate-pair sequencing (MPSeq) offer a route around these technical limitations.
Keywords: B‐cell lymphoma; cytogenetics; mate‐pair sequencing; splenic marginal zone lymphoma; t(2;7).
© 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.