Drug-induced lupus pleuritis mimicking pleural space infection.
case_report · Level V
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- Record sourced from PubMed, PMID 1729083.
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Abstract
A 78-year-old man presented with acute lupus pleuritis due to procainamide. The pleural fluid was a turbid, yellow exudate with a WBC count of 53,200/cu mm (70 percent polymorphonuclear leucocytes), LDH of 4,296 IU/L, and pH of 7.195. Although these fluid characteristics suggested pleural space infection, they were due to pleural inflammation from drug-induced lupus. LE cells were present in the fluid and results of microbiologic studies were negative. Clinical and roentgenographic improvement followed discontinuation of procainamide.
Medical subject headings
- Infections
- Lupus Erythematosus, Systemic
- Pleurisy
- Procainamide