Methicillin-resistant Staphylococcus aureus-related Septic Pulmonary Embolism and Sacroiliitis Treated with Long-term Linezolid in a Patient with Adult-onset Still's Disease

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We herein report the case of a 21-year-old woman with refractory adult-onset Still's disease who developed central venous catheter-related methicillin-resistant Staphylococcus aureus sepsis during aggressive immunosuppressive therapy. She subsequently experienced septic pulmonary embolism (SPE) and sacroiliitis during treatment with intravenous vancomycin and was successfully treated with long-term oral linezolid therapy. This case suggests that the occurrence of methicillin-resistant Staphylococcus aureus infection in immunosuppressive patients can trigger severe clinical manifestations such as SPE and septic sacroiliitis and that linezolid is suitable for treating such conditions.