Figure 4.

(A) lateral radiograph of a left ankle showing the talar beak (arrow), (B) lateral radiograph of the right ankle obtained of our patient with C sign (arrows) extending from the talar dome through the coalition component of the posterior talocalcaneal joint to the sustentaculum tali.

W√§hnert et al. BMC Musculoskeletal Disorders 2013 14:111   doi:10.1186/1471-2474-14-111
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