Annals of the rheumatic diseases
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We report 2 contrasting cases of a seronegative polyarthritis associated with angioimmunoblastic lymphadenopathy (AILD). Both cases were nonerosive, with symmetrical involvement of the elbows, wrists, knees, and ankles. ⋯ The second presented with polyarthritis 18 months before the onset of AILD. This patient received azathioprine for 11 months before developing AILD, which raises the possibility of this drug being the causative agent.