Pneumocystis jiroveci pneumonia and pneumomediastinum in an anti-TNFalpha naive patient with ulcerative colitis

We report the case of a 21-year-old man who was noted to have pneumomediastinum during an admission for an acute flare of ulcerative colitis. At that time, he was on maintenance treatment with azathioprine at a dose of 1.25 mg/kg per day, and had not received supplementary steroids for 9 mo. He had...

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