“…Because the iliopsoas muscle inserts onto the lesser tubercle of the proximal femur, it is possible that the psoas abscess could extend to the medial side of the thigh under the inguinal canal [5]. There is a mechanism for spread of infection from the retroperitoneal space and psoas abscesses, into the hip joint, which has been described, as well as a report of spread from the iliopsoas bursa [6].…”