Poncet's disease: Reactive arthritis accompanying tuberculosis. Two case reports and a review of the literature

Objective. Reactive arthritis (ReA) in tuberculosis (TB) is known as Poncet's disease. It is a rare aseptic form of arthritis observed in patients with active TB. We present two such patients and review the literature on Poncet's disease. Methods. Two patients who were identified with Poncet's disease at the Department of Rheumatology of Erasmus MC, Rotterdam University Hospital, during the last 5 yrs are reported. In addition, a review of the literature on Poncet's disease is given: the PubMed/MEDLINE database was studied up to December 2005 using the term 'Poncet's disease' and the terms 'arthritis', 'reactive' and 'tuberculosis'. Results. After careful work-up, the polyarthritis and erythema nodosum in both presented patients with active TB could be diagnosed as Poncet's disease. Resolution of the arthritis with anti-TB drugs occurred in just a few days. Reviewing the literature, 50 case reports were found. In most reports 'Poncet's disease' was described as an aseptic polyarthritis, presumably ReA arthritis developing in the presence of active TB elsewhere. However, no uniform characterization of the term 'Poncet's disease' could be abstracted from these reports. Conclusion. Both presented patients and the review of the literature demonstrate that active TB may be complicated by ReA known as Poncet's disease. Early recognition of this rare complication of TB is of major importance to avoid delayed initiation of appropriate treatment.

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