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Rocker bottom foot

A rocker bottom foot (also known as a congenital vertical talus) is a congenital anomaly of the foot. 


It results from a dorsal and lateral dislocation of the talonavicular joint 


Radiographic features

It is characterized by a prominent calcaneus (heel) and a convex rounded sole. The presence of a rocker bottom foot in an antenatal ultrasound scan is sometimes classified as a soft sign for aneuploidic anomalies 3.

Differential diagnosis

In the antental-neonatal period consider
In the adult period consider

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