Infection of the human being by Brucella organisms is common in the United States. According to a recent editorial1 in The Journal of the American Medical Association, approximately 4,000 cases of human brucellosis are reported annually to the state departments of health, but it is estimated that the truer figure would run to at least 30,000 to 40,000 actual cases annually. It has been known for years that localization is a characteristic of Brucella infection. Such local lesions have been observed in guinea pigs, especially in those inoculated with Brucella suis, and Huddleson2 has observed suppurative arthritis, osteomyelitis, spondylitis, meningitis, orchitis and abscesses of the spleen, liver, lymph nodes and other soft tissues. Destructive bone and joint lesions have also been noted in cattle, hogs and horses but are considered relatively rare in man. We propose herein to report a case of Brucella suis infection of the hip