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Destructive otomastoiditis by MRSA from porcine origin



A 63-year-old female pig farmer was referred to our department with a protracted course of otomastoiditis with destruction of the tympanic roof and cerebrospinal fluid leakage. The patient underwent a cortical mastoidectomy with closure of a large dural defect. Cultures of the middle ear effusion yielded a methicillin-resistant Staphylococcus aureus (MRSA), which upon further analysis was found to be from porcine origin. To our knowledge, this is the first report of a complicated case of otomastoiditis caused by a pig-type MRSA. Laryngoscope, 119:137–140, 2009