Journal List > J Rheum Dis > v.20(2) > 1064026

Kim, Choi, Song, Kim, Park, Cho, Han, and Choi: Rituximab for Rheumatoid Arthritis Following TNF-α Inhibitor Associated Splenic Tuberculosis

Abstract

One of the most important adverse effects of a tumor necrosis factor (TNF)-α inhibitor is the reactivation of tuberculosis. Most of them occur in the lung, but sometimes they can be found in other organs. Moreover, the proper management of active rheumatoid arthritis (RA) in patients with anti-TNF-α associated tuberculosis is still in debate. We present the case of a seropositive RA patient who showed good response with rituximab, an anti-CD20 mono-clonal antibody, after developing splenic tuberuculosis, following treatment with TNF-α inhibitor. Confirming a diagnosis of splenic tuberculosis is difficult and can be delayed due to its nonspecific symptoms and rare occurrence. This case suggests that splenic tuberculosis should be doubted in RA patients treated with TNF-α inhibitor, and that rituximab may be considered as an alternative treatment option in RA patients with anti-TNF-α associated tuberculosis.

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Figure 1.
Computed tomographic finding. (A) Multiple small low attenuations are seen in the spleen (arrow). (B) Diffuse omental infiltration and peritoneal thickening are seen, suggested acute peritonitis (head of arrows). (C) Resolution of multiple spleen nodule, (D) Improvement of omental infiltration.
jrd-20-108f1.tif
Figure 2.
Biopsy of spleen tissue. (A) HE stain (×100), Chronic granulomatous inflammation with caseous necrosis are seen (arrow). (B) AFB stain (×200), Mycobacterium tuberculosis are seen in necrotic tissue (arrow).
jrd-20-108f2.tif
Figure 3.
A schematics for the patient's history.
jrd-20-108f3.tif
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