Fig. 7From: A new classification of talocalcaneal coalitions based on computed tomography for operative planning29-year-old female with an IV-P type coalition involving the posterior facet only. (A) Fused talus and calcaneus form a complete osseous coalition (white arrow) involving the posterior facet and cannot be torn apart. (B) 3D construction image shows a complete osseous (oval) bridge between talus and calcaneus. The open of sinus tarsal (black arrow) can also be seenBack to article page