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Obtain a standard scanogram
8%
51/623
Obtain a lateral CT scanogram
70%
437/623
Measure the distance from the anterior superior iliac spine to the medial malleolus
9%
53/623
Measure the distance from the umbilicus to the medial malleolus
3%
18/623
Stand the patient on blocks to measure the difference in the heights of the iliac wings
57/623
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The most effective way to measure a limb-length discrepancy in a patient with a knee flexion contracture is a lateral CT scanogram. All the other methods listed provide inaccurate results with a knee flexion contracture because the measurements are made in the coronal plane.
3.8
(12)
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