title: [A rare complication in a patient with rheumatoid arthritis: sudden appearance of nodules on the forearm].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D000368:Aged; D018501:Antirheumatic Agents / Q000009:adverse effects / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000188:drug therapy*; D003937:Diagnosis, Differential; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D008727:Methotrexate / Q000009:adverse effects / Q000627:therapeutic use; D009165:Mycobacterium Infections, Nontuberculous / Q000175:diagnosis* / Q000209:etiology*; D016926:Mycobacterium chelonae; D009894:Opportunistic Infections / Q000175:diagnosis / Q000209:etiology*; D017192:Skin Diseases, Bacterial / Q000175:diagnosis* / Q000209:etiology*; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors
chemical_list: D018501:Antirheumatic Agents; D014409:Tumor Necrosis Factor-alpha; D008727:Methotrexate