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Fig. 4 | BMC Musculoskeletal Disorders

Fig. 4

From: A new classification of talocalcaneal coalitions based on computed tomography for operative planning

Fig. 4

34-year-old man with an II-MP type coalition involving both the middle and posterior facets. (A, B) Both the talus and calcaneus overgrow (white arrows) and cortical irregularity of the calcaneus and talus is obvious. The tarsal sinus (black arrow) can be seen, which indicates that the coalition involves the middle facet (fig.-A), however, the tarsal sinus is not shown behind that plane (fig.-B), indicating that the coalition affects the posterior facet. (C) 3D construction image shows that both the talus and calcaneus (oval) overgrow and cover each other. The open of sinus tarsal is not found

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