title: Coexistence of Epstein-Barr virus-associated lymphoproliferative disorder and marginal zone B-cell lymphoma of the thymus in a patient with rheumatoid arthritis treated with methotrexate.
authors.forename: Masakazu
authors.initials: M
authors.lastname: Fujimoto
authors.forename: Yoshiaki
authors.initials: Y
authors.lastname: Yuba
authors.forename: Cheng-Long
authors.initials: CL
authors.lastname: Huang
authors.forename: Yoichiro
authors.initials: Y
authors.lastname: Kobashi
authors.forename: Itsuko
authors.initials: I
authors.lastname: Koyanagi
authors.forename: Hiromi
authors.initials: H
authors.lastname: Sakashita
authors.forename: Hironori
authors.initials: H
authors.lastname: Haga
mesh_terms: D000328:Adult; D018501:Antirheumatic Agents / Q000009:adverse effects / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000188:drug therapy* / Q000453:epidemiology*; D002471:Cell Transformation, Neoplastic / Q000473:pathology; D015897:Comorbidity; D020031:Epstein-Barr Virus Infections / Q000139:chemically induced / Q000453:epidemiology*; D006801:Humans; D008214:Lymphocytes / Q000473:pathology; D018442:Lymphoma, B-Cell, Marginal Zone / Q000175:diagnosis / Q000453:epidemiology* / Q000473:pathology; D008232:Lymphoproliferative Disorders / Q000139:chemically induced / Q000453:epidemiology*; D008297:Male; D008727:Methotrexate / Q000009:adverse effects / Q000627:therapeutic use*; D010950:Plasma Cells / Q000473:pathology; D013934:Thymectomy; D013953:Thymus Neoplasms / Q000175:diagnosis / Q000453:epidemiology* / Q000473:pathology
chemical_list: D018501:Antirheumatic Agents; D008727:Methotrexate