A Case of Legg-Calvé-Perthes Disease due to Transient Synovitis of the Hip

Figure 4

Ultrasonic joint space (distance from the anterior cortex of the femoral neck to the front of the capsule [the width of the joint space]) 2 months after the initial visit. It was 11.6 mm for the left hip (arrowheads). The intracapsular space showed echoic findings (arrow).