Double contour sign (knee)
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At the time the article was created Mohammad Taghi Niknejad had no recorded disclosures.View Mohammad Taghi Niknejad's current disclosures
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The double contour sign is a helpful radiologic sign of trochlear dysplasia and is seen on true lateral knee radiographs as a double line at the anterior aspect of condyles that occurs if the medial femoral condyle is hypoplastic.
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