Fig. 3From: A new classification of talocalcaneal coalitions based on computed tomography for operative planning21-year-old man with an II-P type coalition involving the posterior facet only. (A) The tarsal sinus cannot be seen; both talus and calcaneus (white arrows) overgrow to adapt to each other. (B) 3D construction shows the open of sinus tarsal (black arrow); A significant coalition (oval) can be identifiedBack to article page