Infected Branchial Cleft Cyst Due toBordetella bronchiseptica in an Immunocompetent Patient

摘要

A healthy 23-year-old man with fever and a tender mass in his right anterior neck was found to have a branchial cleft cyst infected withBordetella bronchiseptica. Initial testing suggested aBrucella species, but further laboratory testing identified the organism definitively. B. bronchiseptica infection in healthy adults is an unusual event.