“…A number of authors suggest that psoas abscess arises as a result of hematogenous dissemination in a manner analogous to acute osteomyelitis [9,19,21,40,49,57]. Trauma with hematoma formation may predispose to abscess development, especially if a distant source of infection is present [5,20,27,40,49,57,62]. In this review, however, a history of trauma or second source of infection was uncommon.…”