title: Psoriatic arthropathy and seronegative rheumatoid arthritis with psoriasis: distinguishing features from Reiter's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D000843:Ankle Joint / Q000000981:diagnostic imaging; D001168:Arthritis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D016918:Arthritis, Reactive / Q000175:diagnosis* / Q000000981:diagnostic imaging; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D001799:Blood Sedimentation; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging; D012698:Serologic Tests; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging / Q000209:etiology