EBV-associated diffuse large B-cell lymphoma in a psoriatic treated with methotrexate

Shih Chuan Hsiao, Ryo Ichinohasama, Shu Hui Lin, Yung Liang Liao, Sheng Tsung Chang, Chi Yi Cho, Shih Sung Chuang

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Methotrexate-associated lymphoproliferative disorder (MTX-LPD) is a lymphoid proliferation or lymphoma in a patient immunosuppressed with MTX, which is usually administered for treating autoimmune diseases. The majority of MTX-LPD cases develop in patients with rheumatoid arthritis and occasionally with psoriasis who had been treated with MTX. Here, we report on a 50-year-old Taiwanese male with severe psoriasis, who received high doses of MTX. The patient developed EBV-positive MTX-LPD at nodal and extranodal sites. The diffuse and polymorphic lymphoid infiltrate consisted predominantly of immunoblasts and plasmablasts expressing B-cell markers, CD138, Epstein-Barr virus (EBV)-LMP1, and EBNA2, and these were monotypic for kappa light chain. The tumor cells were also positive for EBV by in situ hybridization. These findings indicated a type III latency infection of EBV. The patient died of progressive disease after 19 months. A review of the previously reported cases shows that MTX-LPD, in association with psoriasis, occurs in middle-aged males. The tumors are diffuse large B-cell lymphomas with immunoblastic morphology, and frequently show plasmacytic differentiation.

Original languageEnglish
Pages (from-to)43-49
Number of pages7
JournalPathology Research and Practice
Volume205
Issue number1
DOIs
Publication statusPublished - 2009 Jan 15

Keywords

  • Diffuse large B-cell lymphoma
  • Immunodeficiency
  • Lymphoproliferative disorder
  • Methotrexate
  • Psoriasis

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Cell Biology

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