Fig. 1From: A new classification of talocalcaneal coalitions based on computed tomography for operative planning25-year-old man with an I-P type coalition involving the posterior facet only. (A) Superiorly overgrown calcaneus (white arrow) covers the articular facet of the talus. (B) 3D construction image shows the open of sinus tarsal (black arrow) between the sustentaculum tali and the coalition (oval)Back to article page