Gouty arthritis masquerading as rheumatoid arthritis or vice versa.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D002805:Chondrocalcinosis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D005528:Foot / Q000000981:diagnostic imaging; D006073:Gout / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006225:Hand / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000175:diagnosis; D011859:Radiography; D012217:Rheumatoid Factor / Q000032:analysis; D013167:Spondylitis, Ankylosing / Q000175:diagnosis
D012217:Rheumatoid Factor