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Calcaneal-Navicular Coalition

Published November 2, 2015

In children ages eight to twelve an inherited bridging of the calcaneus bone and the navicular bone may be found. This condition is known as a calcaneal-navicular coalition. The joining of the two bones usually causes pain because of the reduced motion in the joint.  

The X-ray below shows a calcaneal-navicular coalition.  


The connection between the two bones is known as the "comma sign" or "anteater nose sign."  Anti-inflammatory medications (NSAIDs) and steroid injections can be beneficial, as well as custom orthotic and brace implementation.  Surgical management typically includes resection of the joint known as the Badgley procedure.

Progressive Foot Care has many years of experience treating pediatric patients.  If your child is dealing with foot pain please make an appointment to see one of our doctors.
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