Review Article
Imaging of Hip Pain: From Radiography to Cross-Sectional Imaging Techniques
Figure 3
Herring lateral pillar classification. Groups A (a), B (b), B/C (c), and C (d). AP radiograph (e), coronal T1 (f), and PD fat sat (g) weighted images showing loss of fat signal of the epiphysis, edema, and cyst formation in femoral metaphysis in a grade C Perthes disease.
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