Review Article
Imaging of Hip Pain: From Radiography to Cross-Sectional Imaging Techniques
Figure 12
(a) Normal ultrasound appearance of the femoral head-neck junction. (b) Joint effusion in transient synovitis of the hip. (c) Flattening of the femoral head in a patient with Perthes disease. (d) Step in the femoral head-neck junction in a patient with SCFE.
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