Presentation
Eleven year-old with plantar aspect of the foot pain since trauma whilst playing hurling 2 weeks ago.
Patient Data
Age: 11
Gender: Male
From the case:
Calcaneonavicular coalition
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Calcaneonavicular coalition.
No acute fracture.
Unfused calcaneal apophysis.
Case Discussion
Calcaneonavicular coalition is not uncommonly observed. In this case it was asymptomatic until trauma to this area was a cause for imaging.
It is important to remember that the apophysis of the calcaneus fuses by the age 12 - 15 in both sexes. In rare cases it may be delayed until age 16 in females and 22 in males.