“…Pathological conditions of the iliopsoas bursa (also termed the iliopectineal, iliofemoral, iliac or subpsoas bursa) represent a little recognised cause of functional disability of the hip [1,4,7,9,10,17] and may be reported as due to overuse during sporting activities [7,14], osteoarthritis [1,7,10,11,14,15,18], septic arthritis [14], rheumatoid arthritis [2,8,13,14], synovial chondromatosis [13,14,18], pigmented villonodular synovitis [10, Offprint requests to: C. A. Manueddu Haemoglobin was normal; the white cell count was 10.8 × 109 with a normal differential count and a platelet count of 329 × 109. The sedimentation rate was 74 mm/h.…”