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Methotrexate-Associated Systemic Lymphadenopathy Exhibiting a Marked Elevation of the Serum IgG4 Concentrations

Yasuhiro Masuta1, Naoya Omaru1, Yasuo Otsuka1

  • 1Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Japan.

Internal Medicine (Tokyo, Japan)
|August 20, 2025
PubMed

Keywords:
IgG4IgG4-related diseasemethotrexate-associated lymphoproliferative disorderrheumatoid arthritis

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