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. 2008 Oct 23;17(12):1676–1685. doi: 10.1007/s00586-008-0794-7

Fig. 7.

Fig. 7

The example of a false case of the so called “French” Risser 4 grade. Frontal radiograph reveals partial fusion of the iliac crest. However, the lateral radiograph proves that there is no fusion of the posterior apophysis (Lateral Modifier C)