Abstract
Poncet's disease is a rare form of tuberculosis (TB). It is described as a hypersensitivity reaction of extra-articular TB, which manifests as acute-onset non-destructive polyarthritis of large joints. It resolves completely on anti-tubercular therapy. We describe a case of a young female patient who presented with symmetrical polyarthritis on a background of tubercular lymphadenitis. The workup for rheumatological diseases was negative. A diagnosis of Poncet's disease or tubercular rheumatism was made by exclusion. There was complete resolution of symptoms of joint disease following anti-tubercular therapy. Poncet's disease should be kept under suspicion in TB endemic areas while investigating patients of arthritis. In a resource-limited setting, in patients with TB, the response of coincident inflammatory arthritis to anti-tubercular therapy may be first observed, before subjecting them to further investigations and/or empirical therapy.
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