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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: A radiological classification system for talocalcaneal coalition based on a multi-planar imaging study using CT and MRI

Fig. 1

Talocalcaneal coalition on coronal CT images (a, c, e and g) and coronal fat-suppressed T2-weighted images (TR/TE, 2,816/96 ms) (b, d, f and h). a, b Type I (linear) talocalcaneal coalition: parallel or nearly parallel to the adjacent subtalar joint on the same plane. The arrows indicate the coalition. c, d Type II (talar overgrowth) talocalcaneal coalition: inferiorly overgrown talus covering the talar articular facet of the calcaneus. The arrows indicate the coalition. e, f Type III (calcaneal overgrowth) talocalcaneal coalition: superiorly overgrown calcaneus covering the calcaneal articular facet of the talus. The arrows indicate the coalition. g, h Type IV (complete osseous) talocalcaneal coalition. The arrows indicate the coalition

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