Myeloid and lymphoid neoplasm with abnormalities of FGFR1 presenting with trilineage blasts and RUNX1 rearrangement: A case report and review of literature

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11 Scopus citations

Abstract

Objectives: Myeloid and lymphoid neoplasms with abnormalities of fibroblast growth factor receptor 1 gene (FGFR1) are a rare and aggressive disease group that harbors translocations of FGFR1 with at least 14 recognized partner genes. We report a case of a patient with a novel t(17;21)(p13;q22) with RUNX1 rearrangement and trilineage blasts. Methods: A 29-year-old man with relapsed T-lymphoblastic lymphoma in the cervical nodes showed a myeloproliferative neoplasm in his bone marrow with three separate populations of immunophenotypically aberrant myeloid, T-lymphoid, and B-lymphoid blasts by flow cytometry. Cytogenetic and fluorescent in situ hybridization studies showed unique dual translocations of t(8;13)(p11.2;q12) and t(17;21)(p13;q22) with RUNX1 rearrangement. Results: The patient was initiated on a mitoxantrone, etoposide, and cytarabine chemotherapy regimen and died of complications of disease 1 month later. Conclusions: To our knowledge, this is the first reported case of a myeloid and lymphoid neoplasm with abnormalities of FGFR1 with t(17;21)(p13;q22) and trilineage blasts.

Original languageEnglish (US)
Pages (from-to)738-748
Number of pages11
JournalAmerican journal of clinical pathology
Volume143
Issue number5
DOIs
StatePublished - May 2015

Keywords

  • Eosinophilia
  • FGFR1
  • Hematopoietic
  • Lymphoid
  • Myeloproliferative
  • Neoplasm
  • RUNX1
  • ZMYM2

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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