Tropical pyomyositis.
D000293:Adolescent; D006801:Humans; D014905:Independent State of Samoa / Q000208:ethnology; D008297:Male; D009220:Myositis / Q000175:diagnosis*; D013203:Staphylococcal Infections / Q000175:diagnosis*; D014329:Tropical Climate; D014463:Ultrasonography; D014481:United States