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Figure 1

From: The influence of lumbo-sacral transitional vertebrae in developmental dysplasia of the hip: a matched pair analysis

Figure 1

Measurement of the radiological parameters on a.p. pelvic radiographs in standing position pre- and postoperatively. (a) illustrates the measurement of the parameters Tönnis angle (TA), lateral-central-edge angle (LCEA) and femoral-head-extrusion-index (FHEI) on the a.p. pelvic radiographs of a patient with LSTV Castellvi IIIb preoperatively. (b) shows the measurement of the anterior and posterior wall index preoperatively. (c) depicts the measurement of LCEA postoperatively. (d) shows the measurement of anterior and posterior wall index postoperatively.

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