Fig. 2From: A radiological classification system for talocalcaneal coalition based on a multi-planar imaging study using CT and MRIType I talocalcaneal coalition with or without posterior hooking on sagittal CT images. a A 23-year-old man with Type I talocalcaneal coalition without posterior hooking. The arrow indicates the coalition. b A 23-year-old man with Type I talocalcaneal coalition with posterior talar hooking. The arrow indicates the coalition. c A 24-year-old man with Type I talocalcaneal coalition with posterior calcaneal hooking. The arrow indicates the coalitionBack to article page