Bronchiolitis obliterans organizing pneumonia in a patient with primary biliary cirrhosis and rheumatoid arthritis treated with prednisolone.

A 62-year-old woman with primary biliary cirrhosis (PBC) and rheumatoid arthritis (RA) was examined at our hospital for a 2-week history of non-resolving fever, cough and malaise. Her chest radiograph revealed left lower lobe opacity. Various kinds of antibiotics were not effective and transbronchial biopsy revealed non-specific inflammatory alveolar lesions.