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A woman in her thirties was recently diagnosed with Crohn’s disease involving the oesophagus and colon. In addition, she had aphtous mouth ulcers and peri-anal fistulas. She was successfully treated with steroids, 6-mercaptopurine (6-MP) and infliximab. Two months later she presented with a flare-up of disease and recurrence of the mouth ulcers. In addition, she had fever up to 39°C, arthralgias and pustules on her back and buttocks (fig 1). Blood tests revealed an erythrocyte sedimentation rate (ESR) of 44 mm/h, C-reactive protein (CRP) of 65 mg/l and leucocytes of 13×109/litre. Blood, urinary and stool cultures as well as chest x ray did not reveal an infectious cause of …
Robin Spiller, Editor
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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