IgG4-producing lymphoma arising in a patient with IgG4-related disease

Takuro Igawa, Toshiaki Hayashi, Kazuya Ishiguro, Yumiko Maruyama, Mai Takeuchi, Katsuyoshi Takata, Tadashi Yoshino, Yasuharu Sato

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We herein report a case in which an IgG4-producing lymphoma arose in a patient with a previous diagnosis consistent with an IgG4-related disease. A 43-year-old man presented with enlarged cervical lymph nodes and was treated with steroids and radiation for what was initially assumed to be Kimura’s disease, although the lesions were later histologically re-diagnosed as IgG4-related lymphadenopathy. Fourteen years later, when the patient was 58-years-old, he presented with retroperitoneal fibrosis and swollen lymph nodes. The suspicious lesions were not histologically examined as the patient did not give consent. However, the serum IgG4 concentration was high (1400 mg/dL) and he was clinically diagnosed with systemic IgG4-related disease. Although steroid administration reduced the size of the lesions, tapering the dose finally resulted in systemic, prominently enlarged lymph nodes. Analysis of the biopsy specimen revealed that these multiple lymph node lesions were marginal zone B cell lymphomas that themselves expressed IgG4. Complete remission was achieved after a total of six courses of chemotherapy including rituximab. This case suggests that the infiltrating IgG4-expressing cells observed in IgG4-related disease can clonally expand to malignant lymphomas.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalMedical Molecular Morphology
DOIs
Publication statusAccepted/In press - Apr 11 2016

Fingerprint

Lymphoma
Immunoglobulin G
Lymph Nodes
Steroids
Retroperitoneal Fibrosis
Marginal Zone B-Cell Lymphoma
Radiation
Biopsy
Drug Therapy
Serum

Keywords

  • IgG4-producing lymphoma
  • IgG4-related disease
  • Immunohistochemical staining
  • Malignant lymphoma
  • Marginal zone B cell lymphoma

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Molecular Biology

Cite this

IgG4-producing lymphoma arising in a patient with IgG4-related disease. / Igawa, Takuro; Hayashi, Toshiaki; Ishiguro, Kazuya; Maruyama, Yumiko; Takeuchi, Mai; Takata, Katsuyoshi; Yoshino, Tadashi; Sato, Yasuharu.

In: Medical Molecular Morphology, 11.04.2016, p. 1-7.

Research output: Contribution to journalArticle

Igawa, Takuro ; Hayashi, Toshiaki ; Ishiguro, Kazuya ; Maruyama, Yumiko ; Takeuchi, Mai ; Takata, Katsuyoshi ; Yoshino, Tadashi ; Sato, Yasuharu. / IgG4-producing lymphoma arising in a patient with IgG4-related disease. In: Medical Molecular Morphology. 2016 ; pp. 1-7.
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